APA (7th ed.) Citation

Steinbrück, P., & Dohrn, S. (2009). "Die bauen Luftschlösser".

Chicago Style (17th ed.) Citation

Steinbrück, Peer, and Susanne Dohrn. "Die Bauen Luftschlösser". 2009.

MLA (8th ed.) Citation

Steinbrück, Peer, and Susanne Dohrn. "Die Bauen Luftschlösser". 2009.

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