APA (7th ed.) Citation

Zeller, D., & Gessel, W. (2002). Christentum. Kohlhammer.

Chicago Style (17th ed.) Citation

Zeller, Dieter, and Wilhelm Gessel. Christentum. Stuttgart: Kohlhammer, 2002.

MLA (8th ed.) Citation

Zeller, Dieter, and Wilhelm Gessel. Christentum. Kohlhammer, 2002.