APA (7th ed.) Citation

Oman, C. (1924). A history of the art of war in the Middle Ages / by Charles Oman (2nd ed., rev. and enl.). Methuen.

Chicago Style (17th ed.) Citation

Oman, Charles. A History of the Art of War in the Middle Ages / by Charles Oman. 2nd ed., rev. and enl. London: Methuen, 1924.

MLA (9th ed.) Citation

Oman, Charles. A History of the Art of War in the Middle Ages / by Charles Oman. 2nd ed., rev. and enl. Methuen, 1924.

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