APA (7th ed.) Citation

Sue, E., & Marcel, A. (2010). Pride one of the seven cardinal sins. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sue, Eugène, and Adrian Marcel. Pride One of the Seven Cardinal Sins. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Sue, Eugène, and Adrian Marcel. Pride One of the Seven Cardinal Sins. Project Gutenberg, 2010.

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