APA ציטוט

Ricklefs, R. E. (1993). The economy of nature: A textbook in basic ecology (Third edition.). W.H. Freeman and Company.

Chicago Style (17th ed.) Citation

Ricklefs, Robert E. The Economy of Nature: A Textbook in Basic Ecology. Third edition. New York, N. Y: W.H. Freeman and Company, 1993.

ציטוט MLA

Ricklefs, Robert E. The Economy of Nature: A Textbook in Basic Ecology. Third edition. W.H. Freeman and Company, 1993.