APA
(1997). JAMA: The journal of the American medical Association. New Jersey: American Medical Association.
Chicago
1997. JAMA: The journal of the American medical Association. New Jersey: American Medical Association.
Harvard
(1997). JAMA: The journal of the American medical Association. New Jersey: American Medical Association.
MLA
JAMA: The journal of the American medical Association. New Jersey: American Medical Association. 1997.
