APA (7th ed.) Zitazioa

CHISHOLM, M. (1975). Human geography: Evolution or revolution. Penguin.

Chicago Style (17th ed.) Zitazioa

CHISHOLM, Michael. Human Geography: Evolution or Revolution. Harmondsworth: Penguin, 1975.

MLA (9th ed.) Zitazioa

CHISHOLM, Michael. Human Geography: Evolution or Revolution. Penguin, 1975.