APA (7th ed.) Citation

Lyssy, R., Liechti, H., Gnädinger, M., Kohlund, C., & Beilke-Lau, A. (2007). Leo Sonnyboy. Praesens-Film.

Chicago Style (17th ed.) Citation

Lyssy, Rolf, Hans Liechti, Mathias Gnädinger, Christian Kohlund, and Ankie Beilke-Lau. Leo Sonnyboy. Zürich: Praesens-Film, 2007.

MLA (9th ed.) Citation

Lyssy, Rolf, et al. Leo Sonnyboy. Praesens-Film, 2007.