APA (7th ed.) Citation

Bunyan, J. (1957). The Pilgrims progress. The Pocket Library.

Chicago Style (17th ed.) Citation

Bunyan, John. The Pilgrims Progress. The Pocket Library, 1957.

MLA (8th ed.) Citation

Bunyan, John. The Pilgrims Progress. The Pocket Library, 1957.

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