Chesterton, G. K. (1961). Orthodoxy. Fontana Books.
Cita Chicago (17th ed.)Chesterton, Gilbert Keith. Orthodoxy. London [u.a.]: Fontana Books, 1961.
Cita MLA (8th ed.)Chesterton, Gilbert Keith. Orthodoxy. Fontana Books, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.