Cita APA (7a ed.)

Bühler, A., & Kröger, C. B. (2008). Prevention of substance abuse. EMCDDA insights.

Cita Chicago Style (17a ed.)

Bühler, Anneke, y Christoph B. Kröger. "Prevention of Substance Abuse." EMCDDA Insights 2008.

Cita MLA (9a ed.)

Bühler, Anneke, y Christoph B. Kröger. "Prevention of Substance Abuse." EMCDDA Insights, 2008.