Cita APA (7a ed.)

Gordon, J. U. (1997). A systems change approach to substance abuse prevention. Studies in health and human services.

Cita Chicago Style (17a ed.)

Gordon, Jacob U. "A Systems Change Approach to Substance Abuse Prevention." Studies in Health and Human Services 1997.

Cita MLA (8a ed.)

Gordon, Jacob U. "A Systems Change Approach to Substance Abuse Prevention." Studies in Health and Human Services, 1997.