Cita APA (7a ed.)

Cervantes, R. C. (c1992). Substance abuse and gang violence. Sage focus editions.

Cita Chicago Style (17a ed.)

Cervantes, Richard C. "Substance Abuse and Gang Violence." Sage Focus Editions c1992.

Cita MLA (9a ed.)

Cervantes, Richard C. "Substance Abuse and Gang Violence." Sage Focus Editions, c1992.