Cita APA (7a ed.)

Rengert, G. (1996). The geography of illegal drugs. Westview Press.

Cita Chicago Style (17a ed.)

Rengert, George. The Geography of Illegal Drugs. Boulder, Colo. [u.a.]: Westview Press, 1996.

Cita MLA (8a ed.)

Rengert, George. The Geography of Illegal Drugs. Westview Press, 1996.