APA-referens (7:e uppl.)

Gannon, R. I. (1945). Do we need Christ? National Council of Catholic Men.

Chicago-referens (17:e uppl.)

Gannon, Robert I. Do We Need Christ? Washington, D.C.: National Council of Catholic Men, 1945.

MLA-referens (8:e uppl.)

Gannon, Robert I. Do We Need Christ? National Council of Catholic Men, 1945.