Cita APA (7a ed.)

Forster, M., & Sheehan, J. (1992). Drugs and crime. Wayland.

Cita Chicago Style (17a ed.)

Forster, Marcella, y Joe Sheehan. Drugs and Crime. Hove: Wayland, 1992.

Cita MLA (8a ed.)

Forster, Marcella, y Joe Sheehan. Drugs and Crime. Wayland, 1992.