Tarbuck, E. J., & Lutgens, F. K. (1987). The earth: An introduction to physical geology (3rd ed.). Macmillan.

Tarbuck, Edward J., and Frederick K. Lutgens. The Earth: An Introduction to Physical Geology. 3rd ed. New York: Macmillan, 1987.

Tarbuck, Edward J., and Frederick K. Lutgens. The Earth: An Introduction to Physical Geology. 3rd ed. Macmillan, 1987.