APA (7th ed.) Citation

Cunningham, W. P., & Cunningham, M. A. (2006). Principles of environmental science: Inquiry and applications (3rd ed.). McGraw-Hill Companies, Inc.

Chicago Style (17th ed.) Citation

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 3rd ed. New York: McGraw-Hill Companies, Inc, 2006.

MLA (8th ed.) Citation

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 3rd ed. McGraw-Hill Companies, Inc, 2006.