APA (7th ed.) Citation

Hugo, V. (2004). The Hunchback of Notre Dame. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hugo, Victor. The Hunchback of Notre Dame. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Hugo, Victor. The Hunchback of Notre Dame. Project Gutenberg, 2004.

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