APA (7th ed.) Citation

Keegan. (2000). The book of war: 25 centuries of Great war writing. Penguin Books.

Chicago Style (17th ed.) Citation

Keegan. The Book of War: 25 Centuries of Great War Writing. New York: Penguin Books, 2000.

MLA (8th ed.) Citation

Keegan. The Book of War: 25 Centuries of Great War Writing. Penguin Books, 2000.

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