APA (7th ed.) Citation

Purdom, W. P., & Anderson, S. H. (1983). Environmental science: Managing the environment (2nd ed.). Merrill.

Chicago Style (17th ed.) Citation

Purdom, Walton P., and Stanley H. Anderson. Environmental Science: Managing the Environment. 2nd ed. Columbus: Merrill, 1983.

MLA (9th ed.) Citation

Purdom, Walton P., and Stanley H. Anderson. Environmental Science: Managing the Environment. 2nd ed. Merrill, 1983.