Cita APA (7a ed.)

Sloboda, Z., & David, S. L. (1999). Preventing drug use among children and adolescents: A research-based guide. National Institute on Drug Abuse.

Cita Chicago Style (17a ed.)

Sloboda, Zili, y Susan L. David. Preventing Drug Use Among Children and Adolescents: A Research-based Guide. Rockville, Maryland: National Institute on Drug Abuse, 1999.

Cita MLA (9a ed.)

Sloboda, Zili, y Susan L. David. Preventing Drug Use Among Children and Adolescents: A Research-based Guide. National Institute on Drug Abuse, 1999.