Style de citation APA (7e éd.)

Hayes, P. (1936). Pope Pius XI. National Council of Catholic Men.

Style de citation Chicago (17e éd.)

Hayes, Patrick. Pope Pius XI. Washington, D.C.: National Council of Catholic Men, 1936.

Style de citation MLA (8e éd.)

Hayes, Patrick. Pope Pius XI. National Council of Catholic Men, 1936.