APA (7th ed.) Citation

Davis, R. H. C. (1957). A history of medieval Europe: From Constantine to Saint Louis. David McKay.

Chicago Style (17th ed.) Citation

Davis, Ralph Henry Carless. A History of Medieval Europe: From Constantine to Saint Louis. New York: David McKay, 1957.

MLA (9th ed.) Citation

Davis, Ralph Henry Carless. A History of Medieval Europe: From Constantine to Saint Louis. David McKay, 1957.

Warning: These citations may not always be 100% accurate.