APA

National Institute of Mental Health (U.S.), . (1969). Narcotics, some questions and answers. [Washington, D.C: .

Chicago

National Institute of Mental Health (U.S.), . 1969. Narcotics, some questions and answers. [Washington, D.C: .

Harvard

National Institute of Mental Health (U.S.), . (1969). Narcotics, some questions and answers. [Washington, D.C: .

MLA

National Institute of Mental Health (U.S.), . Narcotics, some questions and answers. [Washington, D.C: . 1969.