APA (7th ed.) Citation

Oman, C. (1898). A history of the art of war: The middle ages from the fourth to the fourteenth century. Methuen & Co..

Chicago Style (17th ed.) Citation

Oman, Charles. A History of the Art of War: The Middle Ages from the Fourth to the Fourteenth Century. London: Methuen & Co., 1898.

MLA (9th ed.) Citation

Oman, Charles. A History of the Art of War: The Middle Ages from the Fourth to the Fourteenth Century. Methuen & Co., 1898.