APA (7th ed.) Citation

Rösler, G., & Leuck, W. Vögel aus aller Welt (o.A.).

Chicago Style (17th ed.) Citation

Rösler, Gerhard, and Wolfgang Leuck. Vögel Aus Aller Welt. o.A. o.O.

MLA (8th ed.) Citation

Rösler, Gerhard, and Wolfgang Leuck. Vögel Aus Aller Welt. o.A.

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