APA (7th ed.) Citation

Weir. (2008). 50 battles that changed the world: The conflicts that most influenced the course of history. Pentagon Press.

Chicago Style (17th ed.) Citation

Weir. 50 Battles That Changed the World: The Conflicts That Most Influenced the Course of History. New Delhi: Pentagon Press, 2008.

MLA (9th ed.) Citation

Weir. 50 Battles That Changed the World: The Conflicts That Most Influenced the Course of History. Pentagon Press, 2008.

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