APA (7th ed.) Citation

Keegan, J. (2001). The First World War: An illustrated history (1. publ.). Hutchinson.

Chicago Style (17th ed.) Citation

Keegan, John. The First World War: An Illustrated History. 1. publ. London: Hutchinson, 2001.

MLA (9th ed.) Citation

Keegan, John. The First World War: An Illustrated History. 1. publ. Hutchinson, 2001.

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