Cita APA (7a ed.)

Austin, J., & Hardyman, P. L. (2004). Objective prison classification: A guide for correctional agencies. US Department of Justice, National Institute of Corrections.

Cita Chicago Style (17a ed.)

Austin, James, y Patricia L. Hardyman. Objective Prison Classification: A Guide for Correctional Agencies. Washington, DC: US Department of Justice, National Institute of Corrections, 2004.

Cita MLA (9a ed.)

Austin, James, y Patricia L. Hardyman. Objective Prison Classification: A Guide for Correctional Agencies. US Department of Justice, National Institute of Corrections, 2004.