Cita APA (7a ed.)
Grosvenor, M. B. National Geographic: Vol. 143, no. 3, March 1973. National Geographic Society.
Cita estilo Chicago (17a ed.)
Grosvenor, Melville Bell. National Geographic: Vol. 143, No. 3, March 1973. Washington, EUA: National Geographic Society.
Cita MLA (9a ed.)
Grosvenor, Melville Bell. National Geographic: Vol. 143, No. 3, March 1973. National Geographic Society.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.