APA (7th ed.) Citation

Keegan, J. (2000). The First World War (First Vintage Books edition.). Vintage Books.

Chicago Style (17th ed.) Citation

Keegan, John. The First World War. First Vintage Books edition. New York: Vintage Books, 2000.

MLA (9th ed.) Citation

Keegan, John. The First World War. First Vintage Books edition. Vintage Books, 2000.

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