APA (7th ed.) Zitazioa

Barbour, I. G. Nature, human nature, and god. Fortress press.

Chicago Style (17th ed.) Zitazioa

Barbour, Ian G. Nature, Human Nature, and God. Minnepolis: Fortress press.

MLA (9th ed.) Zitazioa

Barbour, Ian G. Nature, Human Nature, and God. Fortress press.