APA (7th ed.) Zitazioa

Robinson,, H. (1972). Biogeography. E.L.B.S.

Chicago Style (17th ed.) Zitazioa

Robinson,, H. Biogeography. London: E.L.B.S, 1972.

MLA (9th ed.) Zitazioa

Robinson,, H. Biogeography. E.L.B.S, 1972.