AMA (American Medical Association) Reference Style

In-Text Examples:

Diabetes mellitus is associated with a high risk of foot ulcers.1-3
Several interventions have been successful at increasing compliance.11,14-16
The data of Smith et al18 is further evidence of this effect.
As reported previously,1,3-6
The results were as follows4:

Reference List Examples:
Journal article (1-6 authors):

1. Hu P, Reuben DB. Effects of managed care on the length of time that elderly patients spend with physicians during ambulatory visits. Med Care. 2002;40(7):606-613.

Journal article with more than 6 authors:

2. Geller AC, Venna S, Prout M, et al. Should the skin cancer examination be taught in medical school? Arch Dermatol. 2002;138(9):1201-1203.

Journal article with no named author or group name:

3. Centers for Disease Control and Prevention (CDC). Licensure of a meningococcal conjugate vaccine (Menveo) and guidance for use--Advisory Committee on Immunization Practices (ACIP), 2010. MMWR Morb Mortal Wkly Rep. 2010;59(9):273.

Electronic Journal article:

If you have a doi (preferred):

4. Gage BF, Fihn SD, White RH. Management and dosing of warfarin therapy. Am J Med. 2000;109(6):481-488. https://doi:10.1016/S0002-9343(00)00545-3.

If you do not have a doi:

5. Aggleton JP. Understanding anterograde amnesia: disconnections and hidden lesions. Q J Exp Psychol. 2008;61(10):1441-1471. http://search.ebscohost.com/login.aspx?direct=true&db=pbh&AN=34168185&site=ehost-live. Accessed March 18, 2010.

Journal article published online ahead of print:

6. Chau NG, Haddad RI. Antiangiogenic agents in head and neck squamous cell carcinoma: tired of going solo [published online ahead of print September 20, 2016]. Cancer. https://doi: 10.1002/cncr.30352.

Entire Book:

6. McKenzie BC. Medicine and the Internet: Introducing Online Resources and Terminology. 2nd ed. New York, NY: Oxford University Press; 1997.

Book Chapter:

7. Guyton JL, Crockarell JR. Fractures of acetabulum and pelvis. In: Canale ST, ed. Campbell's Operative Orthopaedics. 10th ed. Philadelphia, PA: Mosby, Inc; 2003:2939-2984.

Electronic Book:

8. Rudolph CD, Rudolph AM. Rudolph's Pediatrics. 21st ed. New York, NY: McGraw-Hill Companies; 2002. http://online.statref.com/Document/Document.aspx?DocID=1&StartDoc=1&EndDoc=1882&FxID=13&offset=7&SessionId=A3F279FQVVFXFSXQ . Accessed August 22, 2007.

Internet Document:

9. American Cancer Society. Cancer Facts & Figures 2003. http://www.cancer.org/downloads/STT/CAFF2003PWSecured.pdf. Accessed March 3, 2003.