APA (7th ed.) Citation

Oman, C. (1953). The art of war in the Middle Ages, A.D. 378-1515. Cornell University Press.

Chicago Style (17th ed.) Citation

Oman, Charles. The Art of War in the Middle Ages, A.D. 378-1515. Ithaca: Cornell University Press, 1953.

MLA (9th ed.) Citation

Oman, Charles. The Art of War in the Middle Ages, A.D. 378-1515. Cornell University Press, 1953.