APA (7th ed.) Citation

Doerries, R. R. (2010). Hitler's Intelligence Chief: Walter Schellenberg. Enigma Books.

Chicago Style (17th ed.) Citation

Doerries, Reinhard R. Hitler's Intelligence Chief: Walter Schellenberg. New York: Enigma Books, 2010.

MLA (8th ed.) Citation

Doerries, Reinhard R. Hitler's Intelligence Chief: Walter Schellenberg. Enigma Books, 2010.