APA (7th ed.) Citation

Kugler, H. (1990). Geographie 9. Volk und Wissen.

Chicago Style (17th ed.) Citation

Kugler, Hans. Geographie 9. Berlin: Volk und Wissen, 1990.

MLA (8th ed.) Citation

Kugler, Hans. Geographie 9. Volk und Wissen, 1990.

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