APA (7th ed.) Citation

Hammes, T. X. (2006). The sling and the stone on war in the 21st century. Zenith Press.

Chicago Style (17th ed.) Citation

Hammes, Thomas X. The Sling and the Stone on War in the 21st Century. USA: Zenith Press, 2006.

MLA (9th ed.) Citation

Hammes, Thomas X. The Sling and the Stone on War in the 21st Century. Zenith Press, 2006.