APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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