APA (7th ed.) Citation

Smith, R. (2008). The utility of force: The art of war in the modern world. Vintage Books.

Chicago Style (17th ed.) Citation

Smith, Rupert. The Utility of Force: The Art of War in the Modern World. New York: Vintage Books, 2008.

MLA (9th ed.) Citation

Smith, Rupert. The Utility of Force: The Art of War in the Modern World. Vintage Books, 2008.