APA (7th ed.) Citation

Grautoff, O. (1916). Ostsee und Ostland. Lehmann.

Chicago Style (17th ed.) Citation

Grautoff, Otto. Ostsee Und Ostland. Berlin: Lehmann, 1916.

MLA (9th ed.) Citation

Grautoff, Otto. Ostsee Und Ostland. Lehmann, 1916.

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