National Geographic Television & Film, Public Broadcasting Service (U.S.), WGBH Video (Firm), & Sechler, C. (2010). Ghosts of Machu Picchu. PBS.
Cita Chicago Style (17a ed.)National Geographic Television & Film, Public Broadcasting Service (U.S.), WGBH Video (Firm), y Craig Sechler. Ghosts of Machu Picchu. [Arlington, Va.]: PBS, 2010.
Cita MLA (8a ed.)National Geographic Television & Film, et al. Ghosts of Machu Picchu. PBS, 2010.
Precaución: Estas citas no son 100% exactas.