APA Style

Enger, Eldon D., Bradley F. Smith. (2008). Environmental Science : a study of Interrelationship (Eleventh edition). New York: McGraw-Hill.

Chicago Style

Enger, Eldon D., Bradley F. Smith. Environmental Science : a study of Interrelationship. Eleventh edition New York: McGraw-Hill, 2008. Text.

MLA Style

Enger, Eldon D., Bradley F. Smith. Environmental Science : a study of Interrelationship. Eleventh edition New York: McGraw-Hill, 2008. Text.

Turabian Style

Enger, Eldon D., Bradley F. Smith. Environmental Science : a study of Interrelationship. Eleventh edition New York: McGraw-Hill, 2008. Print.