Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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