APA (7th ed.) Citation

Bunyan, J., & Hurlbut, J. L. (2012). The Pilgrim's Progress by John Bunyan. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bunyan, John, and Jesse Lyman Hurlbut. The Pilgrim's Progress by John Bunyan. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Bunyan, John, and Jesse Lyman Hurlbut. The Pilgrim's Progress by John Bunyan. Project Gutenberg, 2012.

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