Cita APA (7a ed.)

National Geographic Society. (1963). Africa: Countries of the Nile. National Geographic Society.

Cita Chicago Style (17a ed.)

National Geographic Society. Africa: Countries of the Nile. Washington: National Geographic Society, 1963.

Cita MLA (9a ed.)

National Geographic Society. Africa: Countries of the Nile. National Geographic Society, 1963.