APA
(1997). JAMA:The Journal of the American Medical Association. New York: American Medical Association.
Chicago
1997. JAMA:The Journal of the American Medical Association. New York: American Medical Association.
Harvard
(1997). JAMA:The Journal of the American Medical Association. New York: American Medical Association.
MLA
JAMA:The Journal of the American Medical Association. New York: American Medical Association. 1997.
