APA (7th ed.) Citation

Morris, C. (1989). The papal monarchy: The Western church from 1050 to 1250. Clarendon Press.

Chicago Style (17th ed.) Citation

Morris, Colin. The Papal Monarchy: The Western Church from 1050 to 1250. Oxford [Oxfordshire]: Clarendon Press, 1989.

MLA (9th ed.) Citation

Morris, Colin. The Papal Monarchy: The Western Church from 1050 to 1250. Clarendon Press, 1989.

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