APA (7th ed.) Citation

Housley, N. (1982). The Italian Crusades: The Papal-Angevin Alliance and the Crusades against Christian Lay Powers, 1254-1343. Clarendon Press.

Chicago Style (17th ed.) Citation

Housley, Norman. The Italian Crusades: The Papal-Angevin Alliance and the Crusades Against Christian Lay Powers, 1254-1343. Oxford: Clarendon Press, 1982.

MLA (9th ed.) Citation

Housley, Norman. The Italian Crusades: The Papal-Angevin Alliance and the Crusades Against Christian Lay Powers, 1254-1343. Clarendon Press, 1982.

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