APA (7th ed.) Citation

National Geographic Television, National Geographic Society (U.S.), Public Broadcasting Service (U.S.), Clark, L., & Effros, J. (2009). Secrets of Shangri-La: Quest for sacred caves. NGHT.

Chicago Style (17th ed.) Citation

National Geographic Television, National Geographic Society (U.S.), Public Broadcasting Service (U.S.), Liesl Clark, and Jamie Effros. Secrets of Shangri-La: Quest for Sacred Caves. Washington, D.C.: NGHT, 2009.

MLA (8th ed.) Citation

National Geographic Television, et al. Secrets of Shangri-La: Quest for Sacred Caves. NGHT, 2009.

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