Cita APA (7a ed.)

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.

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.