APA Edition Citation

Walton Purdom. (1980). Enviornmental Health (2 nd.). Academic Press.

Chicago Edition Citation

Walton Purdom. Enviornmental Health. 2 nd. Academic Press, 1980.

MLA Edition Citation

Walton Purdom. Enviornmental Health. 2 nd. Academic Press, 1980.

Warning: These citations may not always be 100% accurate.