APA (7th ed.) Citation

Twain, M. (2008). The Stolen White Elephant. Project Gutenberg.

Chicago Style (17th ed.) Citation

Twain, Mark. The Stolen White Elephant. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Twain, Mark. The Stolen White Elephant. Project Gutenberg, 2008.

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