Citazione Stile APA (7a Edizione)

Cunningham, W. P. (2004). Principles of environmental science: inquiry and: Applications. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Cunningham, William P. Principles of Environmental Science: Inquiry and: Applications. Boston: McGraw-Hill, 2004.

Citatione MLA (9a ed.)

Cunningham, William P. Principles of Environmental Science: Inquiry and: Applications. McGraw-Hill, 2004.