APA (7th ed.) Zitazioa

Montgomery, J. W. (1973). Christianity for the tough minded: Essays in support of an intellectally. Bethany fellowship.

Chicago Style (17th ed.) Zitazioa

Montgomery, John Warwick. Christianity for the Tough Minded: Essays in Support of an Intellectally. Minneapolis: Bethany fellowship, 1973.

MLA (9th ed.) Zitazioa

Montgomery, John Warwick. Christianity for the Tough Minded: Essays in Support of an Intellectally. Bethany fellowship, 1973.