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AMA Manual of Style

In 2020 the Journal of the American Medical Association released the 11th edition of the AMA Manual of Style. Updates include patient first inclusive language, updated guidance in legal and ethical issues, and comprehensive updates of references for digital formatting and social media. Please consult your professor if you need assistance with formatting your manuscript.  Feel free to contact a librarian for assistance in navigating references and citations in AMA.

National Library of Medicine Journal Abbreviations

Additional Resources

In-Text Citation

Use Superscript to type very small letters just above the line of the text. Place your cursor where you want the reference, select the X superscript, type in your reference number or pages, and then select the X again.

Use the NY Medical College AMA for detailed information.


Reference Examples

In AMA style, references at the end of the manuscript are listed in numerical order based on the order in which they are mentioned in the text. 

Journal articles

Note: all authors should be cited, unless there are 6 or more authors. IF 6 or more authors are listed, the first three should be listed in order of published attribution followed by et al.

Print article

Author AA. Title of article. Abbreviated Title of Journal. Year of publication;volume(issue):complete page numbers.

1. Song  Z, Xu  Y, Bao  L,  et al.  From SARS to MERS, thrusting coronaviruses into the spotlight.  Viruses. 2019;11(1):11. doi:10.3390/v11010059

Online article - General formatting

Author AA. Title of article. Abbreviated Title of Journal. Year of publication;volume(issue):page numbers/article number. DOI

Example With DOI

2. Towfighi A, Markovic D, Ovbiagele B. Utility of Framingham coronary disease risk score for predicting cardiac risk after stroke. Stroke. 2012;43(11):2942-2947. doi:10.1161/STROKEAHA.112.668319

Example With URL

3. Ng L, Karunasinghe N, Benjamin CS, Ferguson LR. Beyond PSA: are new prostate cancer biomarkers of potential value to New Zealand doctors? N Z Med J. 2012;125(1353). Accessed April 15, 2020.


General format: Author AA, Author BB, Author CC. Title of book. Edition number (if beyond first). Publisher name; year of publication. To indicate online access, add the word Accessed and the date you accessed the item, then the URL.

4. Law  M, Baptiste  S, Carswell  A, McColl  MA, Polatajko  H, Pollock  N.  Canadian Occupational Performance Measure (COPM). 5th ed. Ottawa, ON: CAOT Publications ACE; 2014.

Book Chapter

Note: cite both the author of the book and the author of the chapter- even if they are the same author.

4. Boushey CJ. Application of research paradigms to nutrition practice. In: Coulston AM, Boushey CJ, Ferruzzi MG, eds. Nutrition in the Prevention and Treatment of Disease. 3rd ed. Academic Press; 2013:99- 105


5. Connecting people with resources. Facebook Preventive Health website. Accessed March 16, 2020. https://preventivehealth.facebook. com/

Government/organization report. 

6. Patient-Centered Outcomes Research Institute. What you need to know to apply. Published 2019. Accessed May 16, 2018.

Transcripts of Audio, Radio, Television, or Podcasts.

7. Families describe how they felt hearing about an autism diagnosis. Transcript. Weekend Edition Saturday. National Public Radio. January 16, 2016. Accessed October 20, 2016. http:// 2016/ 01/ 15/ 463221381/ families- describe- how- they- felt- hearing- about- an- autism- diagnosis

Social Media including YouTube, Twitter and Facebook

8. American Physical Therapy Association YouTube page. Accessed May 10, 2020.

9. @AMAManual. That comma is up to your discretion. Formal AMA style is author, author, author, et al (serial comma). Having only 2 items changes things. No confusion, less clutter to omit that comma in a slide. (Note: this is just a suggestion for PPT, not a formal style ruling for all uses.) April 27, 2020. Accessed May 10, 2020.

Posters and infographics

10. US Centers for Disease Control and Prevention. Zombie preparedness: poster. Accessed December 22, 2019.

11. US Centers for Disease Control and Prevention. Are you prepared? Accessed December 21, 2019.

This guide was reused and adapted from Marymount University Libraries.

  This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.