APA (7th ed.) Citation
Kaufmann, J. E., & Kaufmann, H. W. (2006). Fortress France: The Maginot Line and French defenses in World War II. Praeger Security International.
Chicago Style (17th ed.) Citation
Kaufmann, J. E., and H. W. Kaufmann. Fortress France: The Maginot Line and French Defenses in World War II. Westport, Conn.: Praeger Security International, 2006.
MLA (9th ed.) Citation
Kaufmann, J. E., and H. W. Kaufmann. Fortress France: The Maginot Line and French Defenses in World War II. Praeger Security International, 2006.
Warning: These citations may not always be 100% accurate.