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AMA (11th ed.) Style Guide: Website

An introductory guide to creating end-of-paper references in accordance with the 11th edition of the AMA Manual of Style (2020).

WEBSITE

BASIC COMPONENTS (Website)

  • AUTHOR NAME(S) (if any) [period]
  • TITLE OF ITEM (if any) [period]
  • TITLE OF WEBSITE [period]
  • DATE OF PUBLICATION (if any) [period]
  • DATE OF UPDATE (if any) [period]
  • DATE OF ACCESS [period]
  • URL

 

ARRANGING AND FORMATTING COMPONENTS

AUTHOR NAME(S)

1 Author

Last name first, followed by first initial and (if given) additional initials. End with a period. No blank space between initials.

      EXAMPLES 

Cooper T.
Berben SAA.
Gausche-Hill M.
de la Peña SK.

2 to 6 Authors

Separate multiple authors with a comma. End the list with a period. Do not add the word "and" before the final author name.

      EXAMPLES 

Oren E, Kiene SM.

Schanler RJ, Kiechl-Kohlendorfer U, Kim JH.

Rivadeneyra-Posadas JJ, Cubo E, Simón-Vicente L, Garcia-Bustillo Á.

Zhang N, Xiong X, Xu J, Zeng Q, Li J.

Crowder L, Welniak TL, Hoogland AI, Small BJ, Rodriguez Y, Carpenter KM.

7 or More Authors

List only the first three authors. Separate names with a comma. Do not add the word "and" before the final author name. Add a comma and the phrase "et al" after the third author, followed by a period.

      EXAMPLES 

Mohammed WS, Al-Makramani BMA, Mehta V, et al.

Williams J, Gustafson M, Bai Y, et al.

Villegas-Aguilar E, Ropero-Padilla C, Martin-Ibañez L, et al.

 

TITLE OF ITEM

Capitalize the first letter of the first word of the title. All other words remain fully uncapitalized except for: 1) the first letter of proper nouns; 2) acronyms; 3) other miscellaneous circumstances. Do not enclose the full title in quotation marks. Do not capitalize the first letter of the first word of a subtitle (unless it constitutes an exception).

If no title is given, use the name of the organization that produces the website.

      EXAMPLES 

Family cancer syndromes.

Snoopy returns from Artemis I mission.

The intertwining history of NOW and the ERA.

One year since deadly heatwave in Canada, protections still needed.

Spring is here! are you prepared?

Ukraine: apparent cluster munitions hit Kherson.

 

TITLE OF WEBSITE

Capitalize the first letter of major words. Articles, conjunctions, prepositions (3 or fewer letters), and the "to" in infinitives should all remain in lowercase. Do not italicize the title or enclose it in quotations marks.

      EXAMPLES 

Committee to Protect Journalists.

Ohio Foot and Ankle Medical Association.

Social Justice Resource Center.

Occupational Safety and Health Administration.

 

DATE OF PUBLICATION

List the month and day, followed by a comma and the year. Do not abbreviate the month.

      EXAMPLES 

May 5, 2021.

October 18, 1996.

February 1, 2007.

 

DATE OF UPDATE

Include the word "Updated" followed by the date of last update (month day [comma] year). Do not abbreviate the month.

      EXAMPLES 

Updated June 29, 2001.

Updated December 3, 1999.

Updated March 12, 2020.

 

DATE OF ACCESS / URL

Include the word "Accessed" followed by the date of access (month day [comma] year) and a period. Do not abbreviate the month. Then add the URL for the website. Do not include a period after the URL.

      EXAMPLES 

Accessed April 4, 2019. https://www.cancer.org/treatment/understanding-your-diagnosis/tests/endoscopy/bronchoscopy.html

Accessed August 8, 2021. https://www.nea.org/advocating-for-change/new-from-nea/more-teachers-counselors-and-bus-drivers

Accessed January 20, 2023. https://www.epa.gov/clean-air-act-overview

 

SAMPLE REFERENCES (Website)

Mali A. Hope and joy abound after family in Zambia receives goats. World Vision. Accessed March 9, 2019. https://www.worldvision.org/economic-empowerment-news-stories/hope-and-joy-abound-after-family-in-zambia-receives-goats

Clean air at school. American Lung Association. Updated November 17, 2022. Accessed December 31, 2022. https://www.lung.org/clean-air/at-school

Schumacher S, Lopes L, Sparks G, Presiado M, Hamel L, Brodie M. KFF health tracking poll December 2022: the public's health care priorities for the new Congress. KFF. December 20, 2022. Accessed January 13, 2023. https://www.kff.org/health-costs/poll-finding/kff-health-tracking-poll-december-2022/

Cohen RS, Gentile G. What's the harm in talking to Russia? a lot, actually. RAND Corporation. November 22, 2022. Accessed January 20, 2023. https://www.rand.org/blog/2022/11/whats-the-harm-in-talking-to-russia-a-lot-actually.html

Solitary rectal ulcer syndrome. Mayo Clinic. March 5, 2022. Accessed October 23, 2022. https://www.mayoclinic.org/diseases-conditions/rectal-ulcer/symptoms-causes/syc-20377749

Edelman MW. Choices at a table of plenty. Children’s Defense Fund. December 2, 2022. Accessed January 3, 2023. https://www.childrensdefense.org/child-watch-columns/health/2022/choices-at-a-table-of-plenty/