Cita APA

Cunningham, W. P. (2005). Environmental Science: A Global Concern with OLC (Hardcover). New York: McGraw-Hill.

Chicago Style Citation

Cunningham, William P. Environmental Science: A Global Concern With OLC (Hardcover). New York: McGraw-Hill, 2005.

Cita MLA

Cunningham, William P. Environmental Science: A Global Concern With OLC (Hardcover). New York: McGraw-Hill, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.