APA (7th ed.) Citation

Riddle, J. M. (2008). A history of the Middle Ages, 300 - 1500. Rowman & Littlefield.

Chicago Style (17th ed.) Citation

Riddle, John M. A History of the Middle Ages, 300 - 1500. Lanham, Md: Rowman & Littlefield, 2008.

MLA (9th ed.) Citation

Riddle, John M. A History of the Middle Ages, 300 - 1500. Rowman & Littlefield, 2008.