Cita APA (7a ed.)

Welsh, B., & Farrington, D. (2007). Closed-circuit television surveillance. Preventing crime, 193-208.

Cita Chicago Style (17a ed.)

Welsh, Brandon, y David Farrington. "Closed-circuit Television Surveillance." Preventing Crime 2007: 193-208.

Cita MLA (9a ed.)

Welsh, Brandon, y David Farrington. "Closed-circuit Television Surveillance." Preventing Crime, 2007, pp. 193-208.