Bunyan, J. (1956). Pilgrims Progress. J.M. Dent.
Cita Chicago (17th ed.)Bunyan, John. Pilgrims Progress. London: J.M. Dent, 1956.
Cita MLA (9th ed.)Bunyan, John. Pilgrims Progress. J.M. Dent, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.