APA (7th ed.) Citation

Le Queux, W. (2006). The Four Faces: A Mystery. Project Gutenberg.

Chicago Style (17th ed.) Citation

Le Queux, William. The Four Faces: A Mystery. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Le Queux, William. The Four Faces: A Mystery. Project Gutenberg, 2006.

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