APA (7th ed.) Citation

WGBH (Television station : Boston, Mass.). Science Unit, British Broadcasting Corporation. Television Service, & WGBH Video (Firm). (2006). Secrets of lost empires. WGBH Boston Video.

Chicago Style (17th ed.) Citation

WGBH (Television station : Boston, Mass.). Science Unit, British Broadcasting Corporation. Television Service, and WGBH Video (Firm). Secrets of Lost Empires. [Boston, MA]: WGBH Boston Video, 2006.

MLA (8th ed.) Citation

WGBH (Television station : Boston, Mass.). Science Unit, et al. Secrets of Lost Empires. WGBH Boston Video, 2006.

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