APA (7th ed.) Citation

Cunningham, W. P., & Cunningham , M. A. (2004). Principles of environmental science : inquiry and: Applications (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science : Inquiry and: Applications. 2nd ed. Boston: McGraw-Hill, 2004.

MLA (9th ed.) Citation

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science : Inquiry and: Applications. 2nd ed. McGraw-Hill, 2004.