Cita APA (7a ed.)

Housley, N. (1986). The Avignon papacy and the Crusades, 1305-1378. Clarendon Press.

Cita Chicago Style (17a ed.)

Housley, Norman. The Avignon Papacy and the Crusades, 1305-1378. Oxford: Clarendon Press, 1986.

Cita MLA (9a ed.)

Housley, Norman. The Avignon Papacy and the Crusades, 1305-1378. Clarendon Press, 1986.