APA (7th ed.) Citation

Ritschel, B., & Hüsler, E. E. (2005). Klettersteige. Bruckmann.

Chicago Style (17th ed.) Citation

Ritschel, Bernd, and Eugen E. Hüsler. Klettersteige. München: Bruckmann, 2005.

MLA (9th ed.) Citation

Ritschel, Bernd, and Eugen E. Hüsler. Klettersteige. Bruckmann, 2005.

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