Cita APA (7a ed.)

Barker, T. (2012). North American criminal gangs: Street, prison, outlaw motorcycle and drug trafficking organizations. Carolina Academic Press.

Cita Chicago Style (17a ed.)

Barker, Thomas. North American Criminal Gangs: Street, Prison, Outlaw Motorcycle and Drug Trafficking Organizations. Durham, N.C: Carolina Academic Press, 2012.

Cita MLA (9a ed.)

Barker, Thomas. North American Criminal Gangs: Street, Prison, Outlaw Motorcycle and Drug Trafficking Organizations. Carolina Academic Press, 2012.