Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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