APA-referens (7:e uppl.)

Heffernan, W. (1987). Acts of contrition. Onix.

Chicago-referens (17:e uppl.)

Heffernan, William. Acts of Contrition. New York: Onix, 1987.

MLA-referens (9:e uppl.)

Heffernan, William. Acts of Contrition. Onix, 1987.