Citazione Stile APA (7a Edizione)

Keegan, J. (1983). Six Armies in Normandy: From D-Day to the liberation of Paris. Penguin Books.

Citazione stile Chigago Style (17a edizione)

Keegan, John. Six Armies in Normandy: From D-Day to the Liberation of Paris. New York: Penguin Books, 1983.

Citatione MLA (9a ed.)

Keegan, John. Six Armies in Normandy: From D-Day to the Liberation of Paris. Penguin Books, 1983.