Cita APA (7a ed.)

Hawkins, K. O. (1971). Parole selection: The American experience. University of Cambridge.

Cita Chicago Style (17a ed.)

Hawkins, Keith Owen. Parole Selection: The American Experience. University of Cambridge, 1971.

Cita MLA (8a ed.)

Hawkins, Keith Owen. Parole Selection: The American Experience. University of Cambridge, 1971.