APA (7th ed.) Citation

Leibrock, O. (1920). Arbeitsgemeinschaft. Koehler.

Chicago Style (17th ed.) Citation

Leibrock, Otto. Arbeitsgemeinschaft. Leipzig: Koehler, 1920.

MLA (9th ed.) Citation

Leibrock, Otto. Arbeitsgemeinschaft. Koehler, 1920.

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