Citazione Stile APA (7a Edizione)

Ladley, C. (1990). Drugs, society and behavior 90/91 (5th.ed.). Dushkin.

Citazione stile Chigago Style (17a edizione)

Ladley, Charles. Drugs, Society and Behavior 90/91. 5th.ed. Gilford: Dushkin, 1990.

Citatione MLA (9a ed.)

Ladley, Charles. Drugs, Society and Behavior 90/91. 5th.ed. Dushkin, 1990.