Cita APA

Bunyan, J., & Sharrock, R. (1987). The pilgrim's progress. Harmondsworth: Penguin Books.

Chicago Style Citation

Bunyan, John, i Roger Sharrock. The Pilgrim's Progress. Harmondsworth: Penguin Books, 1987.

Cita MLA

Bunyan, John, i Roger Sharrock. The Pilgrim's Progress. Harmondsworth: Penguin Books, 1987.

Atenció: Aquestes cites poden no estar 100% correctes.