APA (7th ed.) Citation

Keegan, J. (1982). Six armies in Normandy: From D-Day to the Liberation of Paris June 6th - August 25th, 1944. The Viking Press.

Chicago Style (17th ed.) Citation

Keegan, John. Six Armies in Normandy: From D-Day to the Liberation of Paris June 6th - August 25th, 1944. New York: The Viking Press, 1982.

MLA (8th ed.) Citation

Keegan, John. Six Armies in Normandy: From D-Day to the Liberation of Paris June 6th - August 25th, 1944. The Viking Press, 1982.