APA (7th ed.) Zitazioa

Esser, G., & Overdieck, D. (1991). Modern ecology: Basic and applied aspects. Elsevier.

Chicago Style (17th ed.) Zitazioa

Esser, Gerd, eta Dieter Overdieck. Modern Ecology: Basic and Applied Aspects. Amsterdam: Elsevier, 1991.

MLA (9th ed.) Zitazioa

Esser, Gerd, eta Dieter Overdieck. Modern Ecology: Basic and Applied Aspects. Elsevier, 1991.