APA (7th ed.) Zitazioa

Ray, C. (1991). Time, space and philosophy. Routledge.

Chicago Style (17th ed.) Zitazioa

Ray, Christopher. Time, Space and Philosophy. London: Routledge, 1991.

MLA (9th ed.) Zitazioa

Ray, Christopher. Time, Space and Philosophy. Routledge, 1991.