APA (7th ed.) Citation

Raulff, H., & Zulley, J. (2007). Schlaf & [und] Traum. Böhlau.

Chicago Style (17th ed.) Citation

Raulff, Helga, and Jürgen Zulley. Schlaf & [und] Traum. Köln [u.a.]: Böhlau, 2007.

MLA (8th ed.) Citation

Raulff, Helga, and Jürgen Zulley. Schlaf & [und] Traum. Böhlau, 2007.

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