Katzenellenbogen, A. (1964). Allegories of the virtues and vices in mediaeval art: From early Christian times to the thirteenth century. Norton.
Chicago Style (17th ed.) CitationKatzenellenbogen, Adolf. Allegories of the Virtues and Vices in Mediaeval Art: From Early Christian Times to the Thirteenth Century. New York: Norton, 1964.
MLA (8th ed.) CitationKatzenellenbogen, Adolf. Allegories of the Virtues and Vices in Mediaeval Art: From Early Christian Times to the Thirteenth Century. Norton, 1964.
Warning: These citations may not always be 100% accurate.