APA (7th ed.) Citation

Weir, W. (2004). 50 battles that changed the world. Bounty Books Publishers.

Chicago Style (17th ed.) Citation

Weir, William. 50 Battles That Changed the World. London: Bounty Books Publishers, 2004.

MLA (9th ed.) Citation

Weir, William. 50 Battles That Changed the World. Bounty Books Publishers, 2004.