APA (7th ed.) Citation

Packard, J. M. (1985). Peter's kingdom: Inside the papal city. Scribner.

Chicago Style (17th ed.) Citation

Packard, Jerrold M. Peter's Kingdom: Inside the Papal City. New York: Scribner, 1985.

MLA (9th ed.) Citation

Packard, Jerrold M. Peter's Kingdom: Inside the Papal City. Scribner, 1985.