APA (7th ed.) Citation

Delbrück, H. (1920). Kautsky und Harden. Curtius.

Chicago Style (17th ed.) Citation

Delbrück, Hans. Kautsky Und Harden. Berlin: Curtius, 1920.

MLA (9th ed.) Citation

Delbrück, Hans. Kautsky Und Harden. Curtius, 1920.

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