APA (7th ed.) Citation

Boghardt, T. (2012). The Zimmermann telegram: Intelligence, diplomacy, and America's entry into World War I (1. print.). Naval Inst. Press.

Chicago Style (17th ed.) Citation

Boghardt, Thomas. The Zimmermann Telegram: Intelligence, Diplomacy, and America's Entry into World War I. 1. print. Annapolis, MD: Naval Inst. Press, 2012.

MLA (9th ed.) Citation

Boghardt, Thomas. The Zimmermann Telegram: Intelligence, Diplomacy, and America's Entry into World War I. 1. print. Naval Inst. Press, 2012.