Cita APA (7a ed.)

Welsh, B., & Irving, M. H. (2005). Crime and punishment in Canada, 1981-1999. Crime and justice, 33, 247-294.

Cita Chicago Style (17a ed.)

Welsh, Brandon, y Mark H. Irving. "Crime and Punishment in Canada, 1981-1999." Crime and Justice 33 (2005): 247-294.

Cita MLA (9a ed.)

Welsh, Brandon, y Mark H. Irving. "Crime and Punishment in Canada, 1981-1999." Crime and Justice, vol. 33, 2005, pp. 247-294.