Cita APA (7a ed.)
Grosvenor, M. B. National Geographic: Vol. 125, no. 4, April 1964. National Geographic Society.
Cita estilo Chicago (17a ed.)
Grosvenor, Melville Bell. National Geographic: Vol. 125, No. 4, April 1964. Washington, EUA: National Geographic Society.
Cita MLA (9a ed.)
Grosvenor, Melville Bell. National Geographic: Vol. 125, No. 4, April 1964. National Geographic Society.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.