Cita APA (7a ed.)

Barker, T. (2007). Biker gangs and organized crime. LexisNexis.

Cita Chicago Style (17a ed.)

Barker, Thomas. Biker Gangs and Organized Crime. Newark, NJ: LexisNexis, 2007.

Cita MLA (8a ed.)

Barker, Thomas. Biker Gangs and Organized Crime. LexisNexis, 2007.