APA (7th ed.) Citation

Baumer, R. W. (2015). Aachen: The U.S. Army's battle for Charlemagne's city in WWII (First edition.). Stackpole Books.

Chicago Style (17th ed.) Citation

Baumer, Robert W. Aachen: The U.S. Army's Battle for Charlemagne's City in WWII. First edition. Mechanicsburg, Pennsylvania: Stackpole Books, 2015.

MLA (9th ed.) Citation

Baumer, Robert W. Aachen: The U.S. Army's Battle for Charlemagne's City in WWII. First edition. Stackpole Books, 2015.