APA (7th ed.) Zitazioa
Morris, C. (1989). The papal monarchy: The Western church from 1050 to 1250. Clarendon Press ; Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Morris, Colin. The Papal Monarchy: The Western Church from 1050 to 1250. Oxford [England] : New York: Clarendon Press ; Oxford University Press, 1989.
MLA (9th ed.) Zitazioa
Morris, Colin. The Papal Monarchy: The Western Church from 1050 to 1250. Clarendon Press ; Oxford University Press, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.