APA (7th ed.) Citation

Roberts, A. (2009). The art of war. Quercus.

Chicago Style (17th ed.) Citation

Roberts, Andrew. The Art of War. London: Quercus, 2009.

MLA (9th ed.) Citation

Roberts, Andrew. The Art of War. Quercus, 2009.

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