APA (7th ed.) Citation

National Geographic Society (U.S.), Mackinnon, M., Bulmer, J., Bomford, T., Hackney, J., & Boyle, R. (1997). Montañas de Arabia. RBA.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.), Michael Mackinnon, John Bulmer, Tony Bomford, John Hackney, and Robert Boyle. Montañas De Arabia. [Barcelona]: RBA, 1997.

MLA (9th ed.) Citation

National Geographic Society (U.S.), et al. Montañas De Arabia. RBA, 1997.