APA (7th ed.) Citation

Ryan, Mann, & Stilwel. (2003). The encyclopedia of the world's special forces: Tactics, history, strategy, weapons. Spellmount.

Chicago Style (17th ed.) Citation

Ryan, Mann, and Stilwel. The Encyclopedia of the World's Special Forces: Tactics, History, Strategy, Weapons. Staplehurst: Spellmount, 2003.

MLA (8th ed.) Citation

Ryan, et al. The Encyclopedia of the World's Special Forces: Tactics, History, Strategy, Weapons. Spellmount, 2003.