APA (7th ed.) Citation

Smith, D. G. (1981). The Cambridge encyclopedia of earth sciences. Crown Publisher/Cambridge University Press.

Chicago Style (17th ed.) Citation

Smith, David G. The Cambridge Encyclopedia of Earth Sciences. New York, N.Y.: Crown Publisher/Cambridge University Press, 1981.

MLA (9th ed.) Citation

Smith, David G. The Cambridge Encyclopedia of Earth Sciences. Crown Publisher/Cambridge University Press, 1981.