APA (7th ed.) Zitazioa

Hull, O. (1968). A geography of production. Macmillan.

Chicago Style (17th ed.) Zitazioa

Hull, Oswald. A Geography of Production. London: Macmillan, 1968.

MLA (9th ed.) Zitazioa

Hull, Oswald. A Geography of Production. Macmillan, 1968.