APA Zitierstil

Cunningham, W. P., & Cunningham, M. A. (2008). Principles of environmental science: Inquiry & applications (4th international ed.). New York: McGraw-Hill.

Chicago Zitierstil

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science: Inquiry & Applications. 4th international ed. New York: McGraw-Hill, 2008.

MLA Zitierstil

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science: Inquiry & Applications. 4th international ed. New York: McGraw-Hill, 2008.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.