Cowdrey, H. E. J., & 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.) CitationCowdrey, H. E. J., and Herbert Edward John Cowdrey. The Age of Abbot Desiderius: Montecassino, the Papacy, and the Normans in the Eleventh and Early Twelfth Centuries. Oxford: Clarendon Press, 1983.
MLA (8th ed.) CitationCowdrey, H. E. J., and Herbert Edward John Cowdrey. The Age of Abbot Desiderius: Montecassino, the Papacy, and the Normans in the Eleventh and Early Twelfth Centuries. Clarendon Press, 1983.
Warning: These citations may not always be 100% accurate.