APA (7th ed.) Citation

Hupp, O. (1918). Wider die Schwarmgeister. Kellerer.

Chicago Style (17th ed.) Citation

Hupp, Otto. Wider Die Schwarmgeister. München: Kellerer, 1918.

MLA (8th ed.) Citation

Hupp, Otto. Wider Die Schwarmgeister. Kellerer, 1918.

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