APA (7th ed.) Citation

Kirchner, W. (1991). Western civilization to 1500 (3. ed.). Harper Perennial.

Chicago Style (17th ed.) Citation

Kirchner, Walther. Western Civilization to 1500. 3. ed. New York, NY: Harper Perennial, 1991.

MLA (9th ed.) Citation

Kirchner, Walther. Western Civilization to 1500. 3. ed. Harper Perennial, 1991.