APA (7th ed.) Citation

Cunningham, W. P., & Cunningham, M. A. (2020). Principles of environmental science: Inquiry and applications (Ninth edition.). McGraw-Hill Higher Education.

Chicago Style (17th ed.) Citation

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. Ninth edition. Boston: McGraw-Hill Higher Education, 2020.

MLA (9th ed.) Citation

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. Ninth edition. McGraw-Hill Higher Education, 2020.