APA (7th ed.) Citation

PURDOM, P. W. (1983). Environmental science: Managing the environment (2nd. ed.). Charles E. Merrill Pub.

Chicago Style (17th ed.) Citation

PURDOM, P. Walton. Environmental Science: Managing the Environment. 2nd. ed. Columbus: Charles E. Merrill Pub, 1983.

MLA (8th ed.) Citation

PURDOM, P. Walton. Environmental Science: Managing the Environment. 2nd. ed. Charles E. Merrill Pub, 1983.