APA (7th ed.) Citation

Weir, W. (2005). 50 weapons that changed warfare. New Page Books.

Chicago Style (17th ed.) Citation

Weir, William. 50 Weapons That Changed Warfare. Franklin Lakes, NJ: New Page Books, 2005.

MLA (9th ed.) Citation

Weir, William. 50 Weapons That Changed Warfare. New Page Books, 2005.