APA (7th ed.) Citation

Sommer, A., & Spanke, D. (2001). Karin Kneffel. DuMont.

Chicago Style (17th ed.) Citation

Sommer, Achim, and Daniel Spanke. Karin Kneffel. Köln: DuMont, 2001.

MLA (8th ed.) Citation

Sommer, Achim, and Daniel Spanke. Karin Kneffel. DuMont, 2001.

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