APA (7th ed.) Citation

Kaplan, J. (1983). The hardest drug: Heroin and public policy. Univ. of Chicago Pr.

Chicago Style (17th ed.) Citation

Kaplan, John. The Hardest Drug: Heroin and Public Policy. Chicago u.a: Univ. of Chicago Pr, 1983.

MLA (9th ed.) Citation

Kaplan, John. The Hardest Drug: Heroin and Public Policy. Univ. of Chicago Pr, 1983.

Warning: These citations may not always be 100% accurate.