APA (7th ed.) Citation

Staeck, K., Staeck, K., & Steidl, G. Ohne Titel.

Chicago Style (17th ed.) Citation

Staeck, Klaus, Klaus Staeck, and Göttingen Steidl. Ohne Titel.

MLA (8th ed.) Citation

Staeck, Klaus, et al. Ohne Titel.

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