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AMA Style Citation: Author

Guide to help students using the AMA style manual.

One Author

One Author [3.7]

  • Author's surname, then initials of first name name without periods




1. Singh L. Are population-based health promotion strategies enough to address child and adolescent

     obesity?. Whitireia Nursing Journal. 2008 Nov; (15):21-32.


2. Ferguson T. Creating healing environments with evidence-based design. Occup Health Saf. 2010 Oct;

     79(10): 14, 16.


3. Fischetti M. The chemical unknown. Only a tiny fraction of the compounds around us have been tested

     for safety. Sci Am. 2010 Nov; 303(5):92.


Two Authors

Two Authors [6.25]

  • Author names separted by comma



1. Fan AM, Alexeef G. Nanotechnology and nanomaterials: toxicology, risk assessment,  and regulations.

    J Nanosci Nanotechnol. 2010 Dec; 10(12):8646-8657.

2. Mensah GA, Bakris G. Treatment and control of high blood pressure in adults. Cardiol Clin. 2010 Nov;


3. Scutchfield F, Lamberth C. Public health systems and services research: bridging the practice-research

     gap. Public Health Reports. 2010 Sept; 125(5): 628-633.




Three to Seven Authors

Three to Six Authors [3.7]

  • Include each author's name and follow the rules of two authors




1.  Edwards B, Gallety C, Semmler-Booth T, Dekker G. Antenatal psychosocial risk factors and

     depression among women living in socioeconomically disadvantaged suburbs in Adelaide,

      South Australia. Aust N Z J Psychiatry. 2008 Jan; 42(1):45-50.

2. Teringer DA, Greene BF, Lutzker JR. Home safety: development and validation of one component of an

     ecobehavioral treatment program for abused and neglected children. J Appl Behav Anal. 1984

     Summer; 17(2):159-174.

3. Zavadak KH, Gibson KR, Whitley DM, Britz P, Kwoh CK. Variability in the attainment of functional

    milestones during the acute care admission after total joint replacement. J Rheumatol. 1995 Mar;



Seven+ Authors

Six or More Authors [3.7]

  • Include first three authors' names then a comma followed by et al.




1. Gotlin RS, Hershkowitz S, Juris PM, et al. Electrical stimulation effect on extensor lag and length of

     hospital stay after total knee arthroplasty. Arch Phys Med Rehabil. 1994 Sep; 75(9):957-959.

2. Rainier S, Thomas D, Tokarz D, et al. Myofibrillogenesis regulator 1 gene mutations cause paroxysmal

    dystonic choreoathetosis. Arch Neurol. 2004; 61(7):1025-1029.

Organization as Author

Organization as Author [3.11.11]

  • Write out full name of the organization then include the acronym




1. Centers for Disease Control and Prevention (CDC). Prevalence of receiving multiple preventative-care

    services among adults with diabetes--United States, 2002. MMWR Morb Mortal Wkly Rep. 2005;


2. Eye Diseases Prevalence Research Group. Prevalence of age-related macular degeneration in the

    United States. Arch Opthalmol. 2004;122(4)564-572.


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