APA Citation

Cunningham, W. P., & Cunningham, M. A. Principles of environmental science: Inquiry and applications (Ninth edition.).

Chicago Style Citation

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. Ninth edition.

MLA Citation

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. Ninth edition.

Warning: These citations may not always be 100% accurate.