Cita APA (7th ed.)

National Geographic Society (U.S.). Special Publications Division. (1968). Vanishing peoples of the earth. National Geographic Society.

Cita Chicago (17th ed.)

National Geographic Society (U.S.). Special Publications Division. Vanishing Peoples of the Earth. Washington, D.C: National Geographic Society, 1968.

Cita MLA (9th ed.)

National Geographic Society (U.S.). Special Publications Division. Vanishing Peoples of the Earth. National Geographic Society, 1968.