APA (7th ed.) Citation

Cross. (2012). History of war: 50 events you really need to know. Quercus.

Chicago Style (17th ed.) Citation

Cross. History of War: 50 Events You Really Need to Know. London: Quercus, 2012.

MLA (8th ed.) Citation

Cross. History of War: 50 Events You Really Need to Know. Quercus, 2012.

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