APA (7th ed.) Citation

Enger, E. D. (2000). Environmental Science: A Study of Interrelationships. MC Graw Hill.

Chicago Style (17th ed.) Citation

Enger, Eldon D. Environmental Science: A Study of Interrelationships. New York: MC Graw Hill, 2000.

MLA (9th ed.) Citation

Enger, Eldon D. Environmental Science: A Study of Interrelationships. MC Graw Hill, 2000.