Cita APA (7a ed.)

Cowdrey, H. E. J. (1994). Popes, monks and crusaders. The Hambledon Press.

Cita Chicago Style (17a ed.)

Cowdrey, H. E. J. Popes, Monks and Crusaders. London: The Hambledon Press, 1994.

Cita MLA (9a ed.)

Cowdrey, H. E. J. Popes, Monks and Crusaders. The Hambledon Press, 1994.