APA (7th ed.) Citation

Stastny, K., Zieschang, P., & Hisek, K. (1985). Wasservögel (o.A.). Artia Verlag.

Chicago Style (17th ed.) Citation

Stastny, Karel, Peter Zieschang, and Kvetoslav Hisek. Wasservögel. o.A. Prag: Artia Verlag, 1985.

MLA (8th ed.) Citation

Stastny, Karel, et al. Wasservögel. o.A. Artia Verlag, 1985.