Gregorio VII, P., & Cowdrey, H. E. J. (1972). The epistolae vagantes of Pope Gregory VII. At the Clarendon Press.
Chicago Style (17th ed.) CitationGregorio VII, Papa, and H. E. J. Cowdrey. The Epistolae Vagantes of Pope Gregory VII. Oxford: At the Clarendon Press, 1972.
MLA (9th ed.) CitationGregorio VII, Papa, and H. E. J. Cowdrey. The Epistolae Vagantes of Pope Gregory VII. At the Clarendon Press, 1972.
Warning: These citations may not always be 100% accurate.