APA (7th ed.) Citation

Sinclair, U. (2002). The Machine. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sinclair, Upton. The Machine. Project Gutenberg, 2002.

MLA (9th ed.) Citation

Sinclair, Upton. The Machine. Project Gutenberg, 2002.

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