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APA Style

APA (American Psychological Association) Style Citations are most often used by experts and students in the Behavioral and Social Sciences, Business, and Nursing. 

We are currently working to update the information on this page to the 7th version of APA Style. This page is a work in progress.

 

Helpful Handouts

 

Formatting Your Document

Pro TipPro Tip: You can save yourself time by starting your paper in a document already formatted for APA. Download the one below to get started.

Formatting Requirements

  • Title Page with the Paper Title, Author Name(s), Due Date, Author Affiliation (your school name), Course Number and Name, Instructor Name, and Page Number 1 in upper right corner. 
  • Header
  • Times New Roman 12 Point Font (or other acceptable font: 11-point Calibri, 11-point Arial, 10-point Lucida Sans Unicode, 11-point Georgia, 10-point Computer Modern
  • Double Spacing Throughout
  • 1" Margins
  • Text aligned left
  • First line of each paragraph indented
  • Reference list alphabetized with hanging indent for each citation

APA citations in the References list are in hanging indent format. That means the first line goes all the way to the left and subsequent lines start .5 inches to the right. You can create a hanging indent by highlighting the citation, right clicking on the highlighted portion, choosing Paragraph, and then choosing Hanging Indent in the Spacing section. 

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APA 7th Edition uses a system of up to 5 headings to organize your paper. Student papers often have 1-3 headings, while professional papers might have more. 

  • All headings in your paper should be in title case, which means all the important words are capitalized. Articles and conjunctions are not capitalized, such as the, a, an, and, etc. 
  • In the body of your paper, you will have the paper title at the top followed by the introduction,. Use Heading level 1 for this paper title. No heading that says introduction is needed. It is assumed that your writing between the title and the next heading is your introduction. 
  • After your introduction comes the headings for the rest of the paper. It is easiest to determine the headings if you already have an outline.
  • Just like with an outline, you want each Heading/Section to have at least two items in it. 

Level 1 Heading in Title Case Bolded Centered

Level 2 Headings in Title Case Bolded Left

Level 3 Headings in Title Case Bolded Italicized Left

Level 4 Heading in Title Case Bolded Indented

Level 5 Headings in Title Case Bolded Italicized Indented

Literature Review Paper Outline

I. Guided Imagery and Progressive Muscle Relaxation in Group Psychotherapy

II. Guided Imagery

a. Features of Guided Imagery

b. Guided Imagery in Psychotherapy

III. Progressive Muscle Relaxation

a. Features of Progressive Muscle Relaxation

b. Progressive Muscle Relaxation in Group Psychotherapy

IV. Guided Imagery and Progressive Muscle Relaxation in Group Psychotherapy

V. Conclusion

a. Limitations of Existing Research

b. Directions for Future Research

(Outline taken from APA Student Paper Example)

Student Paper Outline in APA Format

Guided Imagery and Progressive Muscle Relaxation in Group Psychotherapy

Guided Imagery

Features of Guided Imagery

Guided Imagery in Psychotherapy

Progressive Muscle Relaxation

Features of Progressive Muscle Relaxation

Progressive Muscle Relaxation in Group Psychotherapy

Guided Imagery and Progressive Muscle Relaxation in Group Psychotherapy

Conclusion

Limitations of Existing Research

Directions for Future Research

Study/Experiment Paper Outline

I. Comparison of Student Evaluations of Teaching With Online and Paper-Based Administration

a. Online Administration of Student Evaluations

b. Effects of Format on Response Rates and Student Evaluation Scores

c. Purpose of the Present Study

II. Method

a. Sample

b. Instrument

c. Design

III. Results

a. Response Rates

b. Evaluation Ratings

c. Stability of Ratings

IV. Discussion

a. Implications for Practice

i. Improving SET Response Rates

ii. Evaluation SET Scores

b. Conclusion

(Outline taken from APA Professional Paper Example)

 

Study/Experiment Outline in APA Format

Comparison of Student Evaluations of Teaching With Online and Paper-Based Administration

Online Administration of Student Evaluations

Effects of Format on Response Rates and Student Evaluation Scores

Purpose of the Present Study

Method

Sample

Instrument

Design

Results

Response Rates

Evaluation Ratings

Stability Ratings

Discussion

Implications for Practice

Improving SET Response Rates Italicized Left

Evaluating SET ScoresItalicized Left

Conclusion

Need help setting up Word for APA Headings or need more information? Download the APA Template with Tables and Headings for a document already set up with Headings or checkout Microsoft's article on customizing headings in Word:

Incorporating In-Text Citations

One Author:

Include the last name of the author every time you cite the source and the date separated by a comma. Add the page number(s) after the date separated by a comma if you are directly quoting a source.

(Bottomly, 1996).

(Bottomly, 1996, p. 7).

Two Authors:

Include the last names of the authors every time you cite the source and connect them with an ampersand &. Add the page number(s) after the date separated by a comma if you are directly quoting a source.

(Cunningham & Tocco, 1989).

(Cohen & Fried, 2007, p. 144).

Three or More Authors:

(Baider et al., 1994).

(Baider et al., 1994, pp. 347-348).

Include only the first author's last name followed by the abbreviation et al. ('and also' in Latin). Only include more authors names if you have two or more sources that would have the same citation. Then add as many authors as you need to distinguish the sources. Add the page number(s) after the date separated by a comma if you are directly quoting a source.

Group Authors:

First time: (American Psychological Association [APA], 2020).

Subsequent times: (APA, 2020).

Include the entire name of the group or organization in the citation. If there is an acronym, include it in brackets the first time you cite the source, then following citations use only the acronym. Add the page number(s) after the date separated by a comma if you are directly quoting a source.

No Author or No Date:

If the source has no author, use the first few words or phrase from the source title or the first few words of the reference entry. Put the words in double quotations.

("Book of the Dead", 1901).

If there is no date, use the abbreviation n.d. for no date.

(The Cornell Lab, n.d.)

You have three different options for citing sources in text.

1.)  Put all the information into the parenthesis at the end.

Happy students achieve higher grade point averages (Barker et al., 2016).

2.)  Name the author(s) in the sentence and put the date in parenthesis next to them.

Barker et al. (2016) found that happy students achieve higher grade point averages.

*When directly quoting a text, the page number is also necessary separated by a comma and with a p. in front of the page.

Barker et al. (2016) conclude, “These results more generally suggest that happy students’ academic success could be derived from their ability to adaptively manage motivational benefits of time-limited periods—or bouts—of heightened negative affect” (p. 2026).

3.)  Put all the information in the sentence so no parenthetical citation is necessary.

In 2016, Barker et al. found that happy students achieve higher grade point averages.

*Note this only works for a paraphrase or summary. Direct quotes will still need the page numbers in the parenthesis.

The Basics

Summarizing or Paraphrasing: (Author Last Name, Year).

Direct Quotation: (Author Last Name, Year, pp. Pages).

Any time you quote, paraphrase, summarize, or use an idea from a source within the text of your project, you must give credit to the source by using an in-text citation. Usually, in-text citations go at the beginning or end of a sentence. The information found in an in-text citation includes the last name of the author(s) and the publication date. The page number is also included if you directly quote an article.

In-text citations are a visual cue for readers showing which sections are your own thoughts and which belong to someone else. They also point a reader to the full citation in the References list.

APA Paper body with in text citations highlighted

APA References List with corresponding authors from the paper body highlighted.

For a complete student paper example, check out this annotated PDF from APA:

Formatting Reference Citations

What happens when the source you're citing doesn't match any of the exampes? No sweat! Here are the general formatting rules for every citation. You can use these to build your citation without an example.

  • Only the last name and initials are used in APA formatting when citing names of authors or editors.
  • Authors or editors’ names at the beginning of a citation are inverted. This formatting helps with the alphabetization of the References list.

Ex: Author, A. A.
Ex: Editor, A. A. and Editor, B. B. (Eds.).

  • When there is an author and an editor(s), include the editor(s) before the title of the source formatted first initial middle initial last name preceded by ‘In’ and followed by the abbreviation for editor or editors.

Ex: In A. A. Editor (Ed.),
Ex: In A. A. Editor & B. B. Editor (Eds.),
Ex: In A. A. Editor, B. B. Editor, and C. C. Editor (Eds.),

  • If there are 21 or more authors, include the names of the first 19 authors. After the 19 author use an ellipses, then add the final author after the ellipses.

Ex: Author, A. A., Author, B. B., Author, C. C., Author, D. D., Author, E. E., Author, F. F., Author, G. G., Author, H. H., Author, I. I., Author, J. J., Author, K. K., Author, L. L., Author, M. M., Author, N. N., Author, O. O., Author, P. P., Author, Q. Q., Author, R. R., Author, S. S., . . . Author, Z. Z.

  • If there is no author, you can move the title to the beginning of the citation in place of the author. The publication date remains in the second position.
  • An author can also be a group, institution, or organization.

Ex: American Psychological Association.

  • Dates are formatted as Year, Month Day. Provide as much date information as the source gives and spell out the month rather than abbreviating it.

Ex: (2006, January 31).

  • If no date is given, use the abbreviation n.d. for no date.

Ex: (n.d.).

  • You may have noticed that some citations in APA require a description in brackets while others do not. If a description would help your reader identify the source or if the source is not typical for a research paper, such as social media or videos, then include a description in brackets after the title.

Ex:  [Tweet], [Status update], [Comment], [Brochure], [Video file], [Motion picture], [Lecture notes], [Monograph], [Transcript], [Video webcast]

To Capitalize or Not to Capitalize

  • Most titles in APA need to be in sentence case. Sentence case means that only the beginning word of a title, proper nouns, and the first word after a colon are capitalized. This rule applies no matter the capitalization you see in the source itself.

Ex: The psychology of affiliation: Experimental studies of the sources of gregariousness.

  • The exceptions to the sentence case rule are the title of a periodical or website name. A periodical is a source published on a regularly scheduled basis. These include journals, magazines, and newspapers. Periodicals and website names follow title case, which means that all the beginnings of important words are capitalized.  

Journal Ex: American Journal of Psychology
Website Name Ex: Center of Disease Control

To Italicize or not to Italicize?   

  • Titles of whole works, such as a book or journal, are italicized.
  • Titles of pieces of larger works, such as an article in a journal, a chapter in a book, or a video in a series, are not italicized.
  • Journal volume numbers (but not issue numbers!) are also italicized.

Ex: 10(2),

  • DOIs or Digital Object Identifiers are the preferred method for citing an electronic source. Have you ever clicked on the link to a website only to find the link was broken? DOIs are permanent urls assigned to an article to make sure a reader can always find it. They are most commonly assigned to journal articles, but sometimes ebooks, ebook chapters, and online magazine articles have them too.

Ex: https://doi.org/10.1111/napa.12020

  • Some publishers put the DOI in number only form. In this case, change the DOI into the url form with the prefix https://doi.org/

Ex: Change this: DOI:10.1037/arc0000014
To This: https://doi.org/10.1037/arc0000014

  • For electronic journal, magazine, and newspaper articles without DOI’s, you do not need to provide an alternative URL from the database or browser bar.

  • Websites do not have DOIs. If you’re citing a website you can use the full URL of the page you’re citing from.

  • Do no put a period after a DOI or URL.

  • The DOI or URL should not be hyperlinked unless your professor asks for it to be.

Need to see reference citation formatting explained in a different way? Check out this Scaffolded Reference Elements Worksheet by the American Psychological Association:

Citing Books, eBooks, & Book Chapters

Book Basics

Books usually have at least 4 pieces of information - the author, publication date, title of the book, and the publisher name. Books may also require an editor(s), translator(s), edition, volume number, or DOI.

Much of the information you need will be on the title page of the book, such as the author/editor.translator, the title, and the publisher name. You can often find the publication date on the back of the title page, which is called the verso. Sometimes the publisher information is found here as well instead of the title page. 

Book by a Single Author 

This example is a straightforward citation of a book with one author. Notice how this citation only requires four pieces of information – the author, publication date, title of the book, and the publisher name. Books may also require an editor(s), translator(s), edition, volume number, or DOI.

You can often find the publication date on the back of the title page, which is called the verso.

Author, A. A. (Year of publication) Title of book: Capital letter also for subtitle. Publisher name. 

Kruglanski, A. W. (2004). The psychology of closed mindedness. Psychology Press.

Click on the citation elements in the interactive below for more information on formatting book elements:

Madigan, M. L. (2018). First responders handbook: An introduction (2nd ed.). CRC Press.

Book by multiple authors

Up to 20 Authors

For up to 20 authors, list each author before the title. Authors or editors’ names at the beginning of a citation are inverted. This formatting helps with the alphabetization of the References list.

Author, A. A., Author, B. B., and  Author, C. C.

Suffla, S. & Seedat, M. (2021). Africa's knowledge archives, black consciousness and reimagining the community psychology. In G. Stevens & C. C. Sonn (Eds.), Decoloniality and epistemic justice in contemporary community psychology (pp. 21-38). Springer Nature.

Spielman, R. M., Jenkins, W. J., Lovett, M. D., Aruguete, M. A., Bryant, L., Chappell, B., Dumper, K., Lacombe, A., Lazzara, J., McClaine, T. Oswald, B. B., Perlmutter, M., Thomas, M. D. (2020, April 22). Pschology 2e (2nd ed.). OpenStax. https://openstax.org/details/books/psychology-2e

21 or More Authors

If there are 21 or more authors, include the names of the first 19 authors. After the 19 author use an ellipses, then add the final author after the ellipses.

Author, A. A., Author, B. B., Author, C. C., Author, D. D., Author, E. E., Author, F. F., Author, G. G., Author, H. H., Author, I. I., Author, J. J., Author, K. K., Author, L. L., Author, M. M., Author, N. N., Author, O. O., Author, P. P., Author, Q. Q., Author, R. R., Author, S. S., . . . Author, Z. Z.

Chapter in a book with an editor

When a book has an editor, it usually means that the chapters or articles in the book are written by different authors or by a group author. You will want to cite the specific chapter you’re using rather than the whole book. Look for the editor information on the title page. If the book has an edition, include it in the parenthesis preceding the pages numbers. It should look like this:

Author, A. A., & Author, B. B. (year of publication). Title of chapter or article. In A. Editor & B. Editor (Eds.), Title of book (pp. xxx-xxx). Publisher Name.

Suffla, S. & Seedat, M. (2021). Africa's knowledge archives, black consciousness and reimagining the community psychology. In G. Stevens & C. C. Sonn (Eds.), Decoloniality and epistemic justice in contemporary community psychology (pp. 21-38). Springer Nature. 

 

eBook

With a DOI

If you viewed a book or book chapter online, include the DOI if there is one.

Author, A. A. (year of publication). Title of chapter or article. In A. Editor (Ed.), Title of book (pp. xxx-xxx). Publisher Name. http://doi.org/ xxxxxxxx

Pious, W. L. (1961). A hypothesis about the nature of schizophrenic behavior. In A. Burton (Ed.), Psychotherapy of the psychoses (pp. 43–68). Hachette Book Group. https://doi.org/10.1037/10643-002

Without a DOI From a Database 

If you viewed the ebook through a library database or through a service you pay for, you do not need to include a URL or the database information if the ebook has no DOI. Just cite it like a print book.

Author, A. A. (year of publication). Title of book: Capital letter also for subtitle. Publisher Name. 

Suffla, S. & Seedat, M. (2021). Africa's knowledge archives, black consciousness and reimagining the community psychology. In G. Stevens & C. C. Sonn (Eds.), Decoloniality and epistemic justice in contemporary community psychology (pp. 21-38). Springer Nature. 

Without a DOI From Somewhere Else

If you viewed the ebook on an open platform with a stable URL that anyone can access for free, include the URL after the publisher information. If there is no stable URL, cite it like a print book.

Author, A. A. (year of publication). Title of book: Capital letter also for subtitle. Publisher Name. URL

Spielman, R. M., Jenkins, W. J., Lovett, M. D., Aruguete, M. A., Bryant, L., Chappell, B., Dumper, K., Lacombe, A., Lazzara, J., McClaine, T. Oswald, B. B., Perlmutter, M., Thomas, M. D. (2020, April 22). Pschology 2e (2nd ed.). OpenStax. https://openstax.org/details/books/psychology-2e

Book with No Author

If the author is listed as anonymous, put anonymous in the author name slot.

If there is no author, you can move the title to the beginning of the citation in place of the author. The publication date remains in the second position.

Citing Webpages

If you are citing an entire website instead of a page or section, you don’t need a reference entry. Simply put the url in parenthesis after the sentence referring to the website. For example, the APA Style website has many reference examples and tutorials for you to refer to if you get stuck while citing using APA (https://apastyle.apa.org).

Individual author:

Author, A. A. (year, month day). Title of webpage. Website Name. http://xxxxxxxx

Group/Organizational author:

Organization A. (year, month day). Title of webpage. Website Name. http://xxxxxxxx

Centers for Disease Control and Prevention. (2019, September 13). Key facts about influenza (flu). cdc.gov/flu/about/keyfacts.htm

No author:

Title of webpage. (year, month day). Website Name. http://xxxxxxxx

No date:

Author, A. A. (n.d.). Title of webpage. Website Name. http://xxxxxxxx

Bias Free Language

To combat bias, advance science, and promote the fair treatment of all people, APA 7th edition requires you to write in affirming and inclusive language.  Biased writing can cause your readers to draw conclusions you didn’t intend, imply value judgments, and alienate or offend your readers. Using bias free language is ethical and respectful behavior, as well as good writing.  

The biases we face in everyday life aren’t only hurtful; they affect scientific research and how people perceive each other.  Bias in relation to people is the implied or irrelevant evaluation of groups. For example, until recently, car safety research was conducted with a crash dummy the size and weight of the average man. Whether a car passed federal safety standards was only based on the results for the average size man. As a result, cars had been predominantly designed for the safety of men, and women were 47% more likely to be seriously injured in a crash and 17% more likely to die in a crash than men. The assumption that all bodies were sized and shaped like one “average” man made everyone else less safe (Goldberg, 2020). 

If you are ever unsure of language to use in your assignments, refer to these examples by category or the linked APA’s Articles on Bias-Free Language.

Do
  • Be as specific as possible with ages and use terms appropriate to each age group: Infant, child, transgender girl, boy, adolescent, adult, older adult.
  • Treat aging as a normal part of the human experience rather than a disease.
Avoid
  • Use demeaning or othering terms that promote stereotypes, such as “elderly,” “senior,” "the aged," or “senile.”
  • Open ended age ranges, such as under 18 or over 65, unless those are the age ranges listed in the study.
  • Using language that supports stereotypes, such as referring to all older adults as being frail or all children as being naive or innocent.
Do
  • Use respectful terms people use to self-identify.
  • Refer to Non-White racial and ethnic groups as a whole  as “people of color” or “underrepresented groups”
  • Be specific about the country or geographical region when possible rather than lumping a whole region together: "Chinese," “Korean”, or “Japanese” vs. "Asian."
Avoid
  • Terms that lump diverse cultures together, such as "Asian" or "African."
  • Derogatory or disrespectful terms.

“Negro”
“Afro-American”
“Oriental”
“Eskimo”
“the Black race”
“the White race”

Do
  • Use terms people use to self-identify.
  • Refer to LGBTQA+ groups as a whole as “sexual and gender minorities” or “Sexual orientation and gender diverse.”
  • Be specific when possible when describing sexual orientation, including the gender along with the orientation.

"Bi-sexual women"
"Gay men"
"Pansexual gender-fluid adolescents"

Avoid
  • Terms or labels that lump groups together as if they are one, such as "homosexuals" or "homosexuality"
  • Referring to sexual orientations as a lifestyle or preference.
  • Derogatory or defamatory terms, such as "pervert" or "deviant"
.
Do
  • Use acceptable generic terms, such as "patient" or "client."
  • Maintain the human dignity of all people by using person first or identity first language. Identity first language is chosen by the person or community rather than assigned by those outside because they consider it part of their identity rather than something negative. For example, deaf people often consider this aspect of themselves as part of a cultural identity, not a disability.

“Person with substance use disorder”
"Person with dementia from Alzheimer's"
“Wheel-chair user”
“Blind person”
“Autistic person”

Avoid
  • Using terminology that demeans people or defines people by a disease or mental health issue:  

“Substance abusers”
"Addicts"
“The mentally retarded”
"Wheel chair bound"
"Sight challenged person"
"Special needs"

Do
  • Refer to people by the terms they self-identify with if it is known.

"Man"/"Woman"
"He"/"She"
"Non-binary"/"Gender-fluid"
"Ze"
"Hir"

  • Use the pronoun "they" if the gender of the person is not known, even if you think you can guess someone's gender by their name.
  • Refer to humans and groups of people in an inclusive way

"People"/"Humanity"
"Flight attendant" (vs. stewardess or steward)

Avoid
  • Using disparaging and demeaning terminology or terminology that implies sex is an immutable characteristic without cultural influence:

“Birth sex”
“Transvestite”

  • Language that attempts to include everybody with binary, thus excluding anyone who is nonbinary.

"He or she"
"He/she"

  • Referring to groups of people or humankind in gendered terms

"Mankind"
"Policemen"
"Waitress"

  • Referring to men and women using the nouns "males" and "females"
Do

 

  • Use people first language that describes a situation rather than focuses blame on on the individual or a deficit.

"Individuals who are undocumented"
"People whose incomes are below the federal poverty threshold"
"Youth experiencing homelessness"
"People with less than a high-school education"
"Economically marginalized families"

  • Be precise about household income levels and household sizes. 
Avoid
  • Pejorative, broad, or generalizing terms with negative connotations or that put blame on the person described.

"The homeless"
"Inner city"
"Illegal aliens"
"The undocumented"
"Poor people"
"Low class"
"High school drop-outs"
"Underprivileged families"

APA Basics Tutorial

APA Tutorial on References

This tutorial is designed for writers new to APA Style. It covers many basics such as how to format your paper, but we have linked directly to the portion on References, as this is the thing that is asked about most often.