APA
(1986). Medical Letter on Drugs and Therapeutics. New Rochele: Medical Letter Inc.
Chicago
1986. Medical Letter on Drugs and Therapeutics. New Rochele: Medical Letter Inc.
Harvard
(1986). Medical Letter on Drugs and Therapeutics. New Rochele: Medical Letter Inc.
MLA
Medical Letter on Drugs and Therapeutics. New Rochele: Medical Letter Inc. 1986.