APA (7th ed.) Citation

Stevenson, R. L. (2007). Treasure Island. Project Gutenberg.

Chicago Style (17th ed.) Citation

Stevenson, Robert Louis. Treasure Island. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Stevenson, Robert Louis. Treasure Island. Project Gutenberg, 2007.

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