Cita APA (7a ed.)

Coburn, B. (1997). Everest: Mountain without mercy. National Geographic Society.

Cita Chicago Style (17a ed.)

Coburn, Broughton. Everest: Mountain Without Mercy. Washington, DC: National Geographic Society, 1997.

Cita MLA (8a ed.)

Coburn, Broughton. Everest: Mountain Without Mercy. National Geographic Society, 1997.

Precaución: Estas citas no son 100% exactas.