Cita APA (7a ed.)

Geerken, M. R., & Hayes, H. D. (1993). Probation and Parole: Public Risk and the Future of Incarceration Alternatives. United States Department of Justice, National Institute of Justice.

Cita Chicago Style (17a ed.)

Geerken, Michael R., y Hennessey D. Hayes. Probation and Parole: Public Risk and the Future of Incarceration Alternatives. [Erscheinungsort nicht ermittelbar]: United States Department of Justice, National Institute of Justice, 1993.

Cita MLA (9a ed.)

Geerken, Michael R., y Hennessey D. Hayes. Probation and Parole: Public Risk and the Future of Incarceration Alternatives. United States Department of Justice, National Institute of Justice, 1993.