APA (7th ed.) Citation

Skinner, B. J., & Porter, S. C. (2000). The dynamic earth: An introduction to physical geology (4th ed.). Wiley.

Chicago Style (17th ed.) Citation

Skinner, Brian J., and Stephen C. Porter. The Dynamic Earth: An Introduction to Physical Geology. 4th ed. New York: Wiley, 2000.

MLA (9th ed.) Citation

Skinner, Brian J., and Stephen C. Porter. The Dynamic Earth: An Introduction to Physical Geology. 4th ed. Wiley, 2000.