Cita APA (7a ed.)

Austin, J. (1991). Pennsylvania Department of Corrections objective classification project: Statistical analysis. National Council on Crime and Delinquency.

Cita Chicago Style (17a ed.)

Austin, James. Pennsylvania Department of Corrections Objective Classification Project: Statistical Analysis. San Francisco, Calif. [u.a.]: National Council on Crime and Delinquency, 1991.

Cita MLA (9a ed.)

Austin, James. Pennsylvania Department of Corrections Objective Classification Project: Statistical Analysis. National Council on Crime and Delinquency, 1991.