Powderhouse Productions, WGBH (Television station : Boston, Mass.). Science Unit, WGBH Educational Foundation, Clear Blue Sky Productions, Churchill, K., Hutton, R., & Neeson, L. (2001). Evolution. WGBH Boston Video.
Chicago Style (17th ed.) CitationPowderhouse Productions, Mass.). Science Unit WGBH (Television station : Boston, WGBH Educational Foundation, Clear Blue Sky Productions, Kate Churchill, Richard Hutton, and Liam Neeson. Evolution. Boston, Mass.: WGBH Boston Video, 2001.
MLA (9th ed.) CitationPowderhouse Productions, et al. Evolution. WGBH Boston Video, 2001.
Warning: These citations may not always be 100% accurate.