Hopper, V. F. (2000). Medieval number symbolism: Its sources, meaning, and influence on thought and expression. Dover Publications.
Chicago Style (17th ed.) CitationHopper, Vincent Foster. Medieval Number Symbolism: Its Sources, Meaning, and Influence on Thought and Expression. Mineola, New York: Dover Publications, 2000.
MLA (9th ed.) CitationHopper, Vincent Foster. Medieval Number Symbolism: Its Sources, Meaning, and Influence on Thought and Expression. Dover Publications, 2000.
Warning: These citations may not always be 100% accurate.