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JAMA Citation Guide

Elements used in Citing Journal Articles

Citations for journal articles should include the following basic information. If the article does not have one of these elements, skip it.

  • Authors' last names and initials. 
    • The names of all authors should be given unless there are more than 6, in which case the names of the first 3 authors are used followed by “et al.”
  • Title of article and subtitle
    • Use sentence-style capitalization:  capitalize only (1) the first letter of the first word, (2) proper names, (3) names of clinical trials or study groups (eg, Community health worker home visits for adults with uncontrolled asthma: the HomeBASE Trial randomized clinical trial), and (4) abbreviations that are ordinarily capitalized (eg, DNA, EEG, VDRL). 
  • Abbreviated name of journal
  • Year (or online publication date [month, day, year] if article is published online first and has yet to appear in a paginated issue or is published in an online-only journal)
  • Volume number Issue number
  • Part or supplement number, when pertinent
  • Page numbers (or e-locator if electronic or pre-published)
  • DOI (Electronic articles only)
  • URL (Electronic articles only; if DOI not present)
  • Accessed date (Electronic articles only; if DOI not present)

Each element is followed by a period.

Citation Tip!

Please note: AMA style requires the use of standard abbreviations for all references, when applicable. Abbreviations for many common medical journals can be found in the AMA Manual of Style. Additional abbreviations can be searched in the PubMed Journal Database (https://www.ncbi.nlm.nih.gov/nlmcatalog/journals).

Example: New England Journal of Medicine -----> N Engl J Med

Based on AMA Manual of Style, 11th ed., 2020

Electronic Articles from Online Journals

Please Note: The preferred citation style for an electronic journal uses a DOI (digital object identifier). The DOI provides a persistent link to the electronic item and is considered to be more stable than a URL. If the DOI is not given on the full text article or in the citation, use a DOI Lookup Tool (https://www.crossref.org/guestquery/) to locate it or use the format for an electronic article without a DOI.

ELECTRONIC ARTICLES FROM ONLINE JOURNALS WITH DOI AVAILABLE

(when using a DOI, no access date or URL is needed)
Author(s) last name, initial of first and middle name. Title of article. Abbreviated name of journal in italics. Year;vol(issue):pages. doi:xx.xxxx.
Morrison G, Van Langenberg DR, Gibson SJ, Gibson PR. Chronic pain in inflammatory bowel disease: characteristics and associations of a hospital-based cohort. Inflamm Bowel Dis. 2013;19(6):1210-1217. doi:10.1097/MIB.0b013e318280e729
 
ELECTRONIC ARTICLES FROM ONLINE JOURNALS WITHOUT DOI AVAILABLE

 
Author(s) last name, initial of first and middle name. Title of article. Abbreviated name of journal in italics. Year;vol(issue);pages. Accessed date. URL
Thomas JL. Helpful or harmful? Potential effects of exercise on select inflammatory conditions. Phys Sportsmed. 2013;41(4):93-100. Accessed November 22, 2013. https://physsportsmed.org/psm.2013.11.2040

 

11th edition updates: The URL now comes after the access date.

Epub Ahead of Print Electronic Articles

When an article is published ahead of print, sometimes the volume, issue, and page numbers may be missing.  Below are examples of how to cite these articles if this information is missing.

Please Note: The preferred citation style for an electronic journal uses a DOI (digital object identifier). The DOI provides a persistent link to the electronic item and is considered to be more stable than a URL. If the DOI is not given on the full text article or in the citation, use a DOI Lookup Tool (https://www.crossref.org/guestquery/) to locate it or use the format for an electronic article without a DOI.

EPUB AHEAD OF PRINT
FROM ONLINE JOURNALS
MISSING VOLUME, ISSUE, OR PAGE  INFORMATION WITH DOI AVAILABLE

Author(s) last name, initial of first and middle name. Title of article. Abbreviated name of journal in italics. Published online [month day, year]. doi:xx.xxxx

Turnquist C, Ryan BM, Horikawa I, Harris BT, Harris CC. Cytokine storms in cancer and COVID-19. Cancer Cell. Published online October 2, 2020. doi:10.1016/j.ccell.2020.09.019

 

EPUB AHEAD OF PRINT ELECTRONIC ARTICLES
FROM
ONLINE JOURNALS
WITHOUT DOI AVAILABLE
MISSING VOLUME, ISSUE,
OR PAGE INFORMATION

Author(s) last name, initial of first and middle name. Title of article. Abbreviated name of journal in italics. Published online [month day, year]. Accessed date. URL

Makoni M. Africa eradicates wild polio. Lancet Microbe. Published online October 7, 2020. Accessed October 14, 2020. https://www.sciencedirect.com/science/article/pii/S266652472030152X?via%3Dihub


11th edition update: Replaced [published online ahead of print [date]]

Citing Print Articles in Journals

ONE AUTHOR

(do not include the month unless the volume and issue are missing)
Author last name, initial of first and middle name. Article title. Abbreviated journal title in italics. Month Year;Volume(Issue):Inclusive page numbers.
Steward DL. Effectiveness of multilevel (tongue and palate) radiofrequency tissue ablation for patients with obstructive sleep apnea, syndrome. Laryngoscope. 2004;114(12):2073-2084
 
MORE THAN ONE AUTHOR

(list all authors if six or less, otherwise list first three followed by “et al”)
Author(s) last names, initial of first and middle names. Article title. Abbreviated journal title in italics. Month Year;Volume(Issue):Inclusive page numbers.

Klintwall L, Eldevik S, Eikeseth S. Narrowing the gap: effects of intervention on developmental trajectories in autism. Autism. 2015;19(1):53-63.

Articles Without Volume or Issue Numbers

In references to journal articles that have no volume or issue numbers, use the issue date, as shown in example 1 below.  If there is an issue number but no volume number, use the style shown in example 2 below.

ARTICLE WITH NO VOLUME OR ISSUE NUMBERS Author last name, initial of first and middle name. Article title. Abbreviated journal title in italics. Month Year:Inclusive page numbers.

McKenzie SA, Harview CL, Truong AK, et al. Physical symptoms and psychosocial problems associated with hidradenitis suppurativa: correlation with Hurley stage. Dermatol Online J. Sep 2020:130.

 
ARTICLE WITH NO VOLUME NUMBER Author(s) last names, initial of first and middle names. Article title. Abbreviated journal title in italics. Month Year;Volume(Issue):Inclusive page numbers.

Johnson CL, Dohrmann SM, Kerckove VD, et al. National Health and Nutrition Examination Survey: National Youth Fitness Survey estimation procedures, 2012. Vital Health Stat 2. 2014;(168):1-25.