Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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