APA (7th ed.) Citation

Hammes, T. X. (2005). Insurgency: Modern warfare evolves into a fourth generation. Institute for National Strategic Studies, National Defense University.

Chicago Style (17th ed.) Citation

Hammes, Thomas X. Insurgency: Modern Warfare Evolves into a Fourth Generation. [Washington, D.C.]: Institute for National Strategic Studies, National Defense University, 2005.

MLA (9th ed.) Citation

Hammes, Thomas X. Insurgency: Modern Warfare Evolves into a Fourth Generation. Institute for National Strategic Studies, National Defense University, 2005.