APA (7th ed.) Citation

May. (2007). The Mongol art of war: Chinggis Khan and the Mongol military system. Horizon Books.

Chicago Style (17th ed.) Citation

May. The Mongol Art of War: Chinggis Khan and the Mongol Military System. Singapore: Horizon Books, 2007.

MLA (8th ed.) Citation

May. The Mongol Art of War: Chinggis Khan and the Mongol Military System. Horizon Books, 2007.