APA (7th ed.) Citation

Hofstaetter, W. (1938). Geschichte der Luftfahrt: Von Walther Hofstaetter. de Gruyter.

Chicago Style (17th ed.) Citation

Hofstaetter, Walther. Geschichte Der Luftfahrt: Von Walther Hofstaetter. Berlin: de Gruyter, 1938.

MLA (8th ed.) Citation

Hofstaetter, Walther. Geschichte Der Luftfahrt: Von Walther Hofstaetter. de Gruyter, 1938.

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