APA (7th ed.) Citation

Sue, E. (2011). The Seven Cardinal Sins: Envy and Indolence. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sue, Eugène. The Seven Cardinal Sins: Envy and Indolence. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Sue, Eugène. The Seven Cardinal Sins: Envy and Indolence. Project Gutenberg, 2011.

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