Cita APA

Cunningham, W. P. (2005). Environmental science: A global concern. Boston, MA: McGraw-Hill Higher Education.

Chicago Style Citation

Cunningham, William P. Environmental Science: A Global Concern. Boston, MA: McGraw-Hill Higher Education, 2005.

Cita MLA

Cunningham, William P. Environmental Science: A Global Concern. Boston, MA: McGraw-Hill Higher Education, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.