Norton, E. (2004). Strange days on planet earth: National Geographic's. México: National Geographic Television.
Citación estilo ChicagoNorton, Edward. Strange Days On Planet Earth: National Geographic's. México: National Geographic Television, 2004.
Cita MLANorton, Edward. Strange Days On Planet Earth: National Geographic's. México: National Geographic Television, 2004.
Precaución: Estas citas no son 100% exactas.