Cita APA (7a ed.)

Alexander, J., & Gottfredson, D. M. (1992). Handbook for evaluating objective prison classification systems. National Inst. of Corrections.

Cita Chicago Style (17a ed.)

Alexander, Jack, y Donald M. Gottfredson. Handbook for Evaluating Objective Prison Classification Systems. Washington, DC: National Inst. of Corrections, 1992.

Cita MLA (8a ed.)

Alexander, Jack, y Donald M. Gottfredson. Handbook for Evaluating Objective Prison Classification Systems. National Inst. of Corrections, 1992.