APA (7th ed.) Citation

Koch, L. (1928). Um Grönlands Norden. Westermann.

Chicago Style (17th ed.) Citation

Koch, Lauge. Um Grönlands Norden. Braunschweig [u.a.]: Westermann, 1928.

MLA (9th ed.) Citation

Koch, Lauge. Um Grönlands Norden. Westermann, 1928.

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