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Citation Help for AMA: Encyclopedia or Book Chapter

Examples, explanations, and links to help you cite your sources in the AMA style

Multiple authors?

Example:
McGill I, Glenn JK, Brockbank A. The Action Learning Handbook: Powerful Techniques for Education, Professional 
Development and T
raining. Routledge Falmer; 2024.

Explanation:
Place a comma between authors and also a comma before eds. if editors are listed. End with a period. If there are more than six authors listed, give the first three authors followed by et al.

Editors?

Example:
Gibbs JT, Huang LN, eds. Children of Color: Psychological Interventions With Minority Youth. Jossey-Bass; 2025.

Explanation:
Place the word eds. after the editors with a comma in between. Follow by a period.

Edition?

Example:
Smith, S. Clinical Nursing Skills: Basic to Advanced Skills. 7th ed. Pearson Prentice Hall; 2023.

Explanation:
Do not indicate a first edition. Give edition number in ordinal format such as 2nd, 3rd and so on followed by ed. End with a period.

Example

Wallace RJ Jr, Griffith DE. Antimycobacterial agents. In: Kasper DL, Fauci AS, Longo DL, Braunwald E, Hauser SL, Jameson JL, eds. Harrison's Principles of Internal Medicine. 16th ed. McGraw-Hill; 2025:946.

Explanation

Author of the article: Wallace RJ Jr, Griffith DE.
Last name first, abbreviate first and middle names to just the first initial with no periods in between. Place a comma between authors. End with a period.

Title & subtitle of the article in the book: Antimycobacterial agents.
The title & subtitle are separated by a colon. Capitalize only the first word of the title and subtitle and all proper nouns or names. End with a period.

Author or editor of the book: In: Kasper DL, Fauci AS, Longo DL, Braunwald E, Hauser SL, Jameson JL, eds.
First put In: and then the last name first, abbreviate first and middle names to just the first initial with no periods in between. Place a comma between authors and also a comma before eds. if editors are listed. End with a period.

Title & subtitle of the book: Harrison's Principles of Internal Medicine.
The title & subtitle are separated by a colon. Capitalize all major words. End with a period. Italicize the title.

Publisher: McGraw-Hill;
Shorten publisher's name to most concise form. Separate publisher from year of publication by a semi-colon.

Year of Publication: 2025:
List the year of publication, which appears on the title page or the title page verso (back side of title page). Separate the year of publication from the page number by a colon with no spaces in between.

Page Number(s): 946.
Give the page or page numbers the article is on. End the citation with a period.

Reference: American Medical Association. AMA Manual of Style. 11th ed. Oxford University Press; 2020.