APA (7th ed.) Citation

Sinclair, U. (2010). The jungle. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sinclair, Upton. The Jungle. To be supplied: Project Gutenberg, 2010.

MLA (8th ed.) Citation

Sinclair, Upton. The Jungle. Project Gutenberg, 2010.

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