APA (7th ed.) Citation

Graml, H., & Oster, H. (1984). Hans Oster. Widerstand im Dritten Reich.

Chicago Style (17th ed.) Citation

Graml, Hermann, and Hans Oster. "Hans Oster." Widerstand Im Dritten Reich 1984.

MLA (8th ed.) Citation

Graml, Hermann, and Hans Oster. "Hans Oster." Widerstand Im Dritten Reich, 1984.

Warning: These citations may not always be 100% accurate.