APA (7th ed.) Citation

WGBH Video (Firm), Clark, L., & Schreiber, L. (2006). Mountain of ice. WGBH Boston Video.

Chicago Style (17th ed.) Citation

WGBH Video (Firm), Liesl Clark, and Liev Schreiber. Mountain of Ice. [Boston, MA]: WGBH Boston Video, 2006.

MLA (8th ed.) Citation

WGBH Video (Firm), et al. Mountain of Ice. WGBH Boston Video, 2006.

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