Cita APA (7a ed.)

Simpson, D. D., & Santos de Barona, M. (1983). Drug abuse prevention programs for high-risk youth in Texas. Drug Abuse Prevention Div.

Cita Chicago Style (17a ed.)

Simpson, Dennis D., y Maryann Santos de Barona. Drug Abuse Prevention Programs for High-risk Youth in Texas. Austin: Drug Abuse Prevention Div, 1983.

Cita MLA (9a ed.)

Simpson, Dennis D., y Maryann Santos de Barona. Drug Abuse Prevention Programs for High-risk Youth in Texas. Drug Abuse Prevention Div, 1983.