APA (7th ed.) Citation

Gass, I. G., Smith, P. J., & Wilson, R. C. L. (1972). Understanding the earth: A reader in the earth sciences (Second edition.). M.I.T. Press.

Chicago Style (17th ed.) Citation

Gass, I. G., Peter J. Smith, and R. C. L. Wilson. Understanding the Earth: A Reader in the Earth Sciences. Second edition. Cambridge, Mass.: M.I.T. Press, 1972.

MLA (8th ed.) Citation

Gass, I. G., et al. Understanding the Earth: A Reader in the Earth Sciences. Second edition. M.I.T. Press, 1972.

Warning: These citations may not always be 100% accurate.