APA (7th ed.) Citation

Skinner, B. J., & Porter, S. C. (1995). The blue planet: An introduction to earth system science. John Wiley.

Chicago Style (17th ed.) Citation

Skinner, Brian J., and Stephen C. Porter. The Blue Planet: An Introduction to Earth System Science. New York: John Wiley, 1995.

MLA (9th ed.) Citation

Skinner, Brian J., and Stephen C. Porter. The Blue Planet: An Introduction to Earth System Science. John Wiley, 1995.