Cita APA (7a ed.)

O'Brien, R. (1992). The encyclopedia of drug abuse (2. ed.). Facts on File.

Cita Chicago Style (17a ed.)

O'Brien, Robert. The Encyclopedia of Drug Abuse. 2. ed. New York [u.a.]: Facts on File, 1992.

Cita MLA (8a ed.)

O'Brien, Robert. The Encyclopedia of Drug Abuse. 2. ed. Facts on File, 1992.