Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.