APA Style

Cunningham, William P., Cunningham, Mary Ann. (2004). Principles of environmental Science : inquiry and applications / William P. Cunningham,Mary Ann Cunningham (2nd ed.). Boston: McGraw-Hill.

Chicago Style

Cunningham, William P., Cunningham, Mary Ann. Principles of environmental Science : inquiry and applications / William P. Cunningham,Mary Ann Cunningham. 2nd ed. Boston: McGraw-Hill, 2004. Text.

MLA Style

Cunningham, William P., Cunningham, Mary Ann. Principles of environmental Science : inquiry and applications / William P. Cunningham,Mary Ann Cunningham. 2nd ed. Boston: McGraw-Hill, 2004. Text.

Turabian Style

Cunningham, William P., Cunningham, Mary Ann. Principles of environmental Science : inquiry and applications / William P. Cunningham,Mary Ann Cunningham. 2nd ed. Boston: McGraw-Hill, 2004. Print.