APA (7th ed.) Citation

Gontard, F. (1964). The Chair of Peter: A history of the papacy. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Gontard, Friedrich. The Chair of Peter: A History of the Papacy. New York: Holt, Rinehart and Winston, 1964.

MLA (9th ed.) Citation

Gontard, Friedrich. The Chair of Peter: A History of the Papacy. Holt, Rinehart and Winston, 1964.