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 (8th 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.