APA (7th ed.) Citation

Weitz, J., Wolfe, T., & Ribbentrop, J. v. (1997). Hitler's diplomat: Joachim von Ribbentrop. Phoenix.

Chicago Style (17th ed.) Citation

Weitz, John, Tom Wolfe, and Joachim von Ribbentrop. Hitler's Diplomat: Joachim Von Ribbentrop. London: Phoenix, 1997.

MLA (8th ed.) Citation

Weitz, John, et al. Hitler's Diplomat: Joachim Von Ribbentrop. Phoenix, 1997.