Cita APA (7a ed.)

Langton, P. A. (1996). The social world of drugs. West.

Cita Chicago Style (17a ed.)

Langton, Phyllis A. The Social World of Drugs. Minneapolis [u.a.]: West, 1996.

Cita MLA (8a ed.)

Langton, Phyllis A. The Social World of Drugs. West, 1996.