APA (7th ed.) Citation

Hoffmann, R. (1933). Um den Rhein. Velhagen & Klasing.

Chicago Style (17th ed.) Citation

Hoffmann, Rudolf. Um Den Rhein. Bielefeld Leipzig: Velhagen & Klasing, 1933.

MLA (9th ed.) Citation

Hoffmann, Rudolf. Um Den Rhein. Velhagen & Klasing, 1933.

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