APA (7th ed.) Citation

Levy, J. (2014). Fifty weapons that changed the course of history. Firefly Books.

Chicago Style (17th ed.) Citation

Levy, Joel. Fifty Weapons That Changed the Course of History. Richmond Hill, Ontario: Firefly Books, 2014.

MLA (8th ed.) Citation

Levy, Joel. Fifty Weapons That Changed the Course of History. Firefly Books, 2014.

Warning: These citations may not always be 100% accurate.