Cita APA (7a ed.)

Leukefeld, C. G. (1995). Prevention practice in substance abuse. Haworth.

Cita Chicago Style (17a ed.)

Leukefeld, Carl G. Prevention Practice in Substance Abuse. New York [u.a.]: Haworth, 1995.

Cita MLA (8a ed.)

Leukefeld, Carl G. Prevention Practice in Substance Abuse. Haworth, 1995.