Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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