APA (7e ed.) Bronvermelding

Putte, W. v. d. (1976). A pope for all ages. The Pius XII Guild.

Chicago (17e ed.) Bronvermelding

Putte, Walter van de. A Pope for All Ages. Saint John, NB, Canada: The Pius XII Guild, 1976.

MLA (8e ed.) Bronvermelding

Putte, Walter van de. A Pope for All Ages. The Pius XII Guild, 1976.