Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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