Cita APA (7a ed.)

Ryan, P. J. (1995). Organized crime: A reference handbook. ABC-CLIO.

Cita Chicago Style (17a ed.)

Ryan, Patrick J. Organized Crime: A Reference Handbook. Santa Barbara, Calif. [u.a.]: ABC-CLIO, 1995.

Cita MLA (9a ed.)

Ryan, Patrick J. Organized Crime: A Reference Handbook. ABC-CLIO, 1995.