APA (7th ed.) Citation

Bunyan, J. (1990). The pilgrim's progress. Christian Classics Ethereal Library.

Chicago Style (17th ed.) Citation

Bunyan, John. The Pilgrim's Progress. Grand Rapids, Mich: Christian Classics Ethereal Library, 1990.

MLA (9th ed.) Citation

Bunyan, John. The Pilgrim's Progress. Christian Classics Ethereal Library, 1990.

Warning: These citations may not always be 100% accurate.