Cita APA

Ray, O. S., & Ksir, C. (1993). Drugs, society & human behavior (6th. ed.). St. Louis: Mosby Year Book.

Chicago Style Citation

Ray, Oakley Stern., i Charles Ksir. Drugs, Society & Human Behavior. 6th. ed. St. Louis: Mosby Year Book, 1993.

Cita MLA

Ray, Oakley Stern., i Charles Ksir. Drugs, Society & Human Behavior. 6th. ed. St. Louis: Mosby Year Book, 1993.