APA (7th ed.) Citation

Ricklefs, R. E. (2001). The economy of nature (5th ed.). W. H. Freeman & Co.

Chicago Style (17th ed.) Citation

Ricklefs, Robert E. The Economy of Nature. 5th ed. New York: W. H. Freeman & Co, 2001.

MLA (9th ed.) Citation

Ricklefs, Robert E. The Economy of Nature. 5th ed. W. H. Freeman & Co, 2001.