APA (7th ed.) Zitazioa

Bush, M. B. (1997). Ecology of a changing planet. Prentice hall.

Chicago Style (17th ed.) Zitazioa

Bush, Mark B. Ecology of a Changing Planet. New Jersey: Prentice hall, 1997.

MLA (9th ed.) Zitazioa

Bush, Mark B. Ecology of a Changing Planet. Prentice hall, 1997.