APA (7th ed.) Citation

Enger, E. D., & Smith, B. F. (2006). Environmental Science (10ª edición.). McGraw - Hill.

Chicago Style (17th ed.) Citation

Enger, Eldon D., and Bradley F. Smith. Environmental Science. 10ª edición. Boston: McGraw - Hill, 2006.

MLA (9th ed.) Citation

Enger, Eldon D., and Bradley F. Smith. Environmental Science. 10ª edición. McGraw - Hill, 2006.