Cita APA (7a ed.)
Grosvenor, M. B. (1961). National Geographic: Vol. 119, no. 6, June 1961. National Geographic Society.
Cita estilo Chicago (17a ed.)
Grosvenor, Melville Bell. National Geographic: Vol. 119, No. 6, June 1961. Washington, EUA: National Geographic Society, 1961.
Cita MLA (9a ed.)
Grosvenor, Melville Bell. National Geographic: Vol. 119, No. 6, June 1961. National Geographic Society, 1961.
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