Medieval number symbolism, its sources, meaning, and influence on thought and expression

Chicago citation style
Hopper, Vincent F., 1906-1976. Medieval number symbolism, its sources, meaning, and influence on thought and expression. 1938. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000586221. (Accessed December 13, 2018.)
APA citation style
Hopper, Vincent F., 1906-1976, (1938) Medieval number symbolism, its sources, meaning, and influence on thought and expression. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000586221
MLA citation style
Hopper, Vincent F., 1906-1976. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/000586221>.
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