APA (7th ed.) Citation

Koppelmann, H. L. (1939). Ursachen des Lautwandels. Sijthoff.

Chicago Style (17th ed.) Citation

Koppelmann, Heinrich L. Ursachen Des Lautwandels. Leiden: Sijthoff, 1939.

MLA (9th ed.) Citation

Koppelmann, Heinrich L. Ursachen Des Lautwandels. Sijthoff, 1939.

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