APA (7th ed.) Citation

Hoffman, P. B. (1997). History of the Federal Parole System: Part 1(1910-1972). Federal probation, 61(3), 23-31.

Chicago Style (17th ed.) Citation

Hoffman, Peter B. "History of the Federal Parole System: Part 1(1910-1972)." Federal Probation 61, no. 3 (1997): 23-31.

MLA (8th ed.) Citation

Hoffman, Peter B. "History of the Federal Parole System: Part 1(1910-1972)." Federal Probation, vol. 61, no. 3, 1997, pp. 23-31.