Cita APA (7th ed.)

Bunyan, J., & Witherspoon, A. M. (1957). The pilgrim's progress. Washington Square Press.

Cita Chicago (17th ed.)

Bunyan, John, i Alexander M. Witherspoon. The Pilgrim's Progress. New York: Washington Square Press, 1957.

Cita MLA (8th ed.)

Bunyan, John, i Alexander M. Witherspoon. The Pilgrim's Progress. Washington Square Press, 1957.