APA

Cunningham W. P., . (2020). Principles of environmental science : inquiry & applications. New York, NY: McGraw-Hill Education.

Chicago

Cunningham William P, . 2020. Principles of environmental science : inquiry & applications. New York, NY: McGraw-Hill Education.

Harvard

Cunningham W. P., . (2020). Principles of environmental science : inquiry & applications. New York, NY: McGraw-Hill Education.

MLA

Cunningham William P, . Principles of environmental science : inquiry & applications. New York, NY: McGraw-Hill Education. 2020.