APA (7th ed.) Citation

Lehmann, O. (1983). Geographie 7. Volk und Wissen.

Chicago Style (17th ed.) Citation

Lehmann, Ottokar. Geographie 7. Berlin: Volk und Wissen, 1983.

MLA (8th ed.) Citation

Lehmann, Ottokar. Geographie 7. Volk und Wissen, 1983.

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