APA (7th ed.) Citation

Boussard, J. (1968). The civilization of Charlemagne. McGraw-Hill.

Chicago Style (17th ed.) Citation

Boussard, Jacques. The Civilization of Charlemagne. New York: McGraw-Hill, 1968.

MLA (9th ed.) Citation

Boussard, Jacques. The Civilization of Charlemagne. McGraw-Hill, 1968.