APA (7th ed.) Citation

Ullmann, W. (1949). Medieval papalism: The political theories of the medieval canonists. Methuen.

Chicago Style (17th ed.) Citation

Ullmann, Walter. Medieval Papalism: The Political Theories of the Medieval Canonists. London: Methuen, 1949.

MLA (9th ed.) Citation

Ullmann, Walter. Medieval Papalism: The Political Theories of the Medieval Canonists. Methuen, 1949.

Warning: These citations may not always be 100% accurate.