Cita APA (7a ed.)

Barnes, H. (1922). Progress of American Penology as Exemplified by the Experience of the State of Pennsylania 1830-1920.

Cita Chicago Style (17a ed.)

Barnes, Harry. Progress of American Penology as Exemplified by the Experience of the State of Pennsylania 1830-1920. 1922.

Cita MLA (9a ed.)

Barnes, Harry. Progress of American Penology as Exemplified by the Experience of the State of Pennsylania 1830-1920. 1922.