APA引文

National Geographic Television & Film, Public Broadcasting Service (U.S.), WGBH Video (Firm), & Sechler, C. (2010). Ghosts of Machu Picchu. PBS.

Chicago Style (17th ed.) Citation

National Geographic Television & Film, Public Broadcasting Service (U.S.), WGBH Video (Firm), and Craig Sechler. Ghosts of Machu Picchu. [Arlington, Va.]: PBS, 2010.

MLA引文

National Geographic Television & Film, et al. Ghosts of Machu Picchu. PBS, 2010.

警告：這些引文格式不一定是100％准確.