Cita APA (7a ed.)

Christopher, J. (1989). Unhooked: Staying sober and drug-free. Prometheus Books.

Cita Chicago Style (17a ed.)

Christopher, James. Unhooked: Staying Sober and Drug-free. Buffalo, NY: Prometheus Books, 1989.

Cita MLA (8a ed.)

Christopher, James. Unhooked: Staying Sober and Drug-free. Prometheus Books, 1989.