Citazione APA

Ricklefs, R. E., & Miller, G. L. (2000). Ecology (4.). W.H. Freeman and Company.

Stile di citazione Chicago

Ricklefs, Robert E., e Gary L. Miller. Ecology. 4. New York: W.H. Freeman and Company, 2000.

Citazione MLA

Ricklefs, Robert E., e Gary L. Miller. Ecology. 4. W.H. Freeman and Company, 2000.