APA-referens (7:e uppl.)

Gannon, R. I. (1947). After black coffee. The Declan X. McMullen company.

Chicago-referens (17:e uppl.)

Gannon, Robert I. After Black Coffee. New York: The Declan X. McMullen company, 1947.

MLA-referens (8:e uppl.)

Gannon, Robert I. After Black Coffee. The Declan X. McMullen company, 1947.