APA Citation

Enger, E. D., & Smith, B. F. (2004). Environmental science: A study of interrelationships (9th ed.). Boston: McGraw-Hill Higher Education.

Chicago Style Citation

Enger, Eldon D., and Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. 9th ed. Boston: McGraw-Hill Higher Education, 2004.

MLA Citation

Enger, Eldon D., and Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. 9th ed. Boston: McGraw-Hill Higher Education, 2004.

Warning: These citations may not always be 100% accurate.