APA

National Institute of Mental Health (U.S.), . (1973). Training opportunities in field of narcotic addiction and drug abuse. [Washington, D.C: .

Chicago

National Institute of Mental Health (U.S.), . 1973. Training opportunities in field of narcotic addiction and drug abuse. [Washington, D.C: .

Harvard

National Institute of Mental Health (U.S.), . (1973). Training opportunities in field of narcotic addiction and drug abuse. [Washington, D.C: .

MLA

National Institute of Mental Health (U.S.), . Training opportunities in field of narcotic addiction and drug abuse. [Washington, D.C: . 1973.