APA (7th ed.) Citation

Stuart, G. E., & Stuart, G. S. (1983). The mysterious Maya. National Geographic Society.

Chicago Style (17th ed.) Citation

Stuart, George E., and Gene S. Stuart. The Mysterious Maya. Washington, D.C: National Geographic Society, 1983.

MLA (9th ed.) Citation

Stuart, George E., and Gene S. Stuart. The Mysterious Maya. National Geographic Society, 1983.