Cita APA (7a ed.)

Feigelman, W., Hyman, M. M., & Amann, K. (1989). Day-care treatment for youth multiple drug abuse: A six-year follow-up study. Journal of psychoactive drugs, 20(4), 385-396.

Cita Chicago Style (17a ed.)

Feigelman, William, Merton M. Hyman, y Kenneth Amann. "Day-care Treatment for Youth Multiple Drug Abuse: A Six-year Follow-up Study." Journal of Psychoactive Drugs 20, no. 4 (1989): 385-396.

Cita MLA (9a ed.)

Feigelman, William, et al. "Day-care Treatment for Youth Multiple Drug Abuse: A Six-year Follow-up Study." Journal of Psychoactive Drugs, vol. 20, no. 4, 1989, pp. 385-396.