APA Style

Enger, Eldon D., Smith, Bradley F.. (2000). Environmental Science: A STUDY OF INTERRELATIONSHIPS, seventh edition (7th). New York: The McGraw-Hill Companies, Inc..

Chicago Style

Enger, Eldon D., Smith, Bradley F.. Environmental Science: A STUDY OF INTERRELATIONSHIPS, seventh edition. 7th New York: The McGraw-Hill Companies, Inc., 2000. Text.

MLA Style

Enger, Eldon D., Smith, Bradley F.. Environmental Science: A STUDY OF INTERRELATIONSHIPS, seventh edition. 7th New York: The McGraw-Hill Companies, Inc., 2000. Text.

Turabian Style

Enger, Eldon D., Smith, Bradley F.. Environmental Science: A STUDY OF INTERRELATIONSHIPS, seventh edition. 7th New York: The McGraw-Hill Companies, Inc., 2000. Print.