Cita APA (7a ed.)
Garret, W. E. (1985). National Geographic: Vol. 168, no. 1, July 1985. National Geographic Society.
Cita estilo Chicago (17a ed.)
Garret, Wilbur E. National Geographic: Vol. 168, No. 1, July 1985. Washington, EUA: National Geographic Society, 1985.
Cita MLA (9a ed.)
Garret, Wilbur E. National Geographic: Vol. 168, No. 1, July 1985. National Geographic Society, 1985.
Precaución: Estas citas no son 100% exactas.