Cita APA (7a ed.)

Geerken, M. R., & Hayes, H. D. (1993). Probation and Parole: Public Risk and the Future of Incarceration Alternatives. Criminology, 31(4), 549-564.

Cita Chicago Style (17a ed.)

Geerken, Michael R., y Hennessey D. Hayes. "Probation and Parole: Public Risk and the Future of Incarceration Alternatives." Criminology 31, no. 4 (1993): 549-564.

Cita MLA (9a ed.)

Geerken, Michael R., y Hennessey D. Hayes. "Probation and Parole: Public Risk and the Future of Incarceration Alternatives." Criminology, vol. 31, no. 4, 1993, pp. 549-564.