APA (7th ed.) Citation

Purdom, P. . . . . . . . . W. (1971). Environmental health. Academic Press, a subsidiary of Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Purdom, P Walton. Environmental Health. New York: Academic Press, a subsidiary of Harcourt Brace Jovanovich, 1971.

MLA (9th ed.) Citation

Purdom, P Walton. Environmental Health. Academic Press, a subsidiary of Harcourt Brace Jovanovich, 1971.