Cita APA (7a ed.)

National Geographic Society, Mobley, G. F., & Gray, W. R. (1976). Alaska, high roads to adventure. The National Geographic Society.

Cita Chicago Style (17a ed.)

National Geographic Society, George F. Mobley, y William R. Gray. Alaska, High Roads to Adventure. Washington: The National Geographic Society, 1976.

Cita MLA (9a ed.)

National Geographic Society, et al. Alaska, High Roads to Adventure. The National Geographic Society, 1976.