Cita APA (7a ed.)

Parker, H., & Bottomley, T. (1996). Crack cocaine and drugs-crime careers. Home Office.

Cita Chicago Style (17a ed.)

Parker, Howard, y Tim Bottomley. Crack Cocaine and Drugs-crime Careers. London: Home Office, 1996.

Cita MLA (8a ed.)

Parker, Howard, y Tim Bottomley. Crack Cocaine and Drugs-crime Careers. Home Office, 1996.