APA (7th ed.) Citation

Davis, R. H. C. (1988). A history of medieval Europe: From Constantine to Saint Louis (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

Davis, Ralph Henry Carless. A History of Medieval Europe: From Constantine to Saint Louis. 2nd ed. Harlow, Eng: Longman, 1988.

MLA (9th ed.) Citation

Davis, Ralph Henry Carless. A History of Medieval Europe: From Constantine to Saint Louis. 2nd ed. Longman, 1988.