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✍️ Writing & Research Grades 9–12

APA 7 Citation Guide

APA (American Psychological Association) style is used in science, psychology, nursing, and social sciences. It puts the date right after the author, because how recent a source is matters in those fields.

Learn How it works

An APA reference has four parts: Author. (Date). Title. Source.

  • Author: Last name, then initials: Nguyen, L., & Hale, M. Use an ampersand (&) before the last author. List up to 20 authors.
  • Date: the year in parentheses: (2021). For web pages and news, add month and day: (2024, September 3). No date? Write (n.d.).
  • Title: use sentence case: capitalize only the first word, the first word after a colon, and proper nouns. Italicize books and reports. Don't italicize or quote article titles.
  • Source: the journal (in italics, Title Case), volume (italic), issue (in parentheses, not italic), pages, and DOI written as a link: https://doi.org/…

In-text citations

  • Paraphrase: (Nguyen & Hale, 2021)
  • Quote: add the page: (Nguyen & Hale, 2021, p. 212)
  • Three or more authors: (Garcia et al., 2020) from the first citation on.
  • Named in your sentence: Nguyen and Hale (2021) found that…

The References page

Title it References (bold, centered). Double-space, use a hanging indent, and alphabetize by the first author's last name.

Examples See it done

Book

Duckworth, A. (2016). Grit: The power of passion and perseverance. Scribner.

Journal article

Nguyen, L., & Hale, M. (2021). Sleep and memory in teenagers. Journal of Adolescent Health, 68(2), 210–217. https://doi.org/10.5555/example.2021.0042

Web page

Centers for Disease Control and Prevention. (2024, May 15). About sleep. https://www.cdc.gov/sleep/about/index.html

Compare MLA and APA for the same article

StyleEntry
MLA 9Nguyen, Linh, and Marcus Hale. “Sleep and Memory in Teenagers.” Journal of Adolescent Health, vol. 68, no. 2, 2021, pp. 210–17.
APA 7Nguyen, L., & Hale, M. (2021). Sleep and memory in teenagers. Journal of Adolescent Health, 68(2), 210–217.

The journal article and its DOI above are made-up examples for practice.

Practice Check yourself

Answer, then tap Check. You get an explanation either way.

  1. Where does the year go in an APA reference?

  2. Which APA in-text citation is correct for a direct quote?

  3. Which article title uses APA sentence case?

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