APA (7th ed.) Zitazioa
Polkinghorne, J. C. (2002). The God of hope and the end of the world. Yale University Press.
Chicago Style (17th ed.) Zitazioa
Polkinghorne, J. C. The God of Hope and the End of the World. New Haven: Yale University Press, 2002.
MLA (9th ed.) Zitazioa
Polkinghorne, J. C. The God of Hope and the End of the World. Yale University Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.