APA (7th ed.) Citation

Cowdrey, H. E. J. (1983). The age of Abbot Desiderius: Montecassino, the Papacy, and the Normans in the eleventh and early twelfth centuries. Clarendon Press.

Chicago Style (17th ed.) Citation

Cowdrey, H. E. J. The Age of Abbot Desiderius: Montecassino, the Papacy, and the Normans in the Eleventh and Early Twelfth Centuries. Oxford: Clarendon Press, 1983.

MLA (9th ed.) Citation

Cowdrey, H. E. J. The Age of Abbot Desiderius: Montecassino, the Papacy, and the Normans in the Eleventh and Early Twelfth Centuries. Clarendon Press, 1983.