APA (7th ed.) Citation

Wulf, M. d. (1922). Philosophy and civilization in the Middle Ages. Dover.

Chicago Style (17th ed.) Citation

Wulf, Maurice de. Philosophy and Civilization in the Middle Ages. New York: Dover, 1922.

MLA (9th ed.) Citation

Wulf, Maurice de. Philosophy and Civilization in the Middle Ages. Dover, 1922.

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