APA (7th ed.) Citation

Skinner, Porter, & Botkin. (1995). The blue planet: An introduction to earth system science (2nd ed.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Skinner, Porter, and Botkin. The Blue Planet: An Introduction to Earth System Science. 2nd ed. New York: John Wiley & Sons, 1995.

MLA (8th ed.) Citation

Skinner, et al. The Blue Planet: An Introduction to Earth System Science. 2nd ed. John Wiley & Sons, 1995.