APA (7th ed.) Citation
Butterweck, G., & Schuler, C. (1995). The PSI radon chamber model. PSI.
Chicago Style (17th ed.) Citation
Butterweck, Gernot, and Christoph Schuler. The PSI Radon Chamber Model. Villigen: PSI, 1995.
MLA (9th ed.) Citation
Butterweck, Gernot, and Christoph Schuler. The PSI Radon Chamber Model. PSI, 1995.
Warning: These citations may not always be 100% accurate.