APA (7th ed.) Citation

Ehrlich, P. R. (1986). The machinery of nature. Simon and Schuster.

Chicago Style (17th ed.) Citation

Ehrlich, Paul R. The Machinery of Nature. New York: Simon and Schuster, 1986.

MLA (9th ed.) Citation

Ehrlich, Paul R. The Machinery of Nature. Simon and Schuster, 1986.