APA (7th ed.) Citation

(1935). Das Helldunkel. Orell Füssli.

Chicago Style (17th ed.) Citation

Das Helldunkel. Zürich, Leipzig: Orell Füssli, 1935.

MLA (9th ed.) Citation

Das Helldunkel. Orell Füssli, 1935.

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