How to AMA Cite: Citing Websites

The 11th edition of the AMA Manual of style was created by the American Medical Association for the health, medical and scientific fields. This is a quick visual guide only. You must consult Chapter 3 in the online AMA manual for detailed explanations.

AMA manual Section 3.15.3 Websites


Website Format

Author (or, if no author is available, the name of the organization responsible for the site). Title (or, if no title is available, the name of the organization responsible for the site). Name of the website. Published [date]. Updated [date]. Accessed [date]. URL



Citing a website, includes the following, if available, in the order shown:

Authors’ surnames and initials, if given (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”), or name of the group

Title of the specific item cited (if none is given, use the name of the organization responsible for the site)

Name of the website

[Date published]

Updated [date]

Accessed [date]

URL (verify that the link still works as close as possible to publication)


1. International Society for Infectious Diseases. ProMED-mail. Accessed February 10, 2016.

2. Charlton G. Internal linking for SEO: examples and best practices. SearchEngineWatch. Accessed February 10, 2016.

3. Zika travel information. Centers for Disease Control and Prevention. January 26, 2016. Updated August 11, 2016. Accessed June 18, 2019.

4. Sample size calculation. Grapentine Co Inc. Accessed December 6, 2005.

5. Scientific Responsibility, Human Rights & Law Program. American Association for the Advancement of Science. Accessed June 18, 2019.

6. Recommendations for primary care practice. US Preventive Services Task Force. Accessed March 9, 2019.

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