Cita APA (7a ed.)

Hoffman, P. B. (1997). History of the Federal Parole System: Part 2 (1973-1977). Federal probation, 61(4), 49-57.

Cita Chicago Style (17a ed.)

Hoffman, Peter B. "History of the Federal Parole System: Part 2 (1973-1977)." Federal Probation 61, no. 4 (1997): 49-57.

Cita MLA (9a ed.)

Hoffman, Peter B. "History of the Federal Parole System: Part 2 (1973-1977)." Federal Probation, vol. 61, no. 4, 1997, pp. 49-57.