APA (7th ed.) Citation

Zimmermann, W. (1939). Ottweiler. Schwann.

Chicago Style (17th ed.) Citation

Zimmermann, Walther. Ottweiler. Düsseldorf: Schwann, 1939.

MLA (9th ed.) Citation

Zimmermann, Walther. Ottweiler. Schwann, 1939.

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