APA-referens (7:e uppl.)

Barnes, H. E. 1. (1926). The repression of crime; studies in historical penology. George H. Doran.

Chicago-referens (17:e uppl.)

Barnes, Harry Elmer 1889. The Repression of Crime; Studies in Historical Penology. New York: George H. Doran, 1926.

MLA-referens (9:e uppl.)

Barnes, Harry Elmer 1889. The Repression of Crime; Studies in Historical Penology. George H. Doran, 1926.