APA (7th ed.) Citation

Sinclair, U. Index of the Project Gutenberg Works of Upton Sinclair.

Chicago Style (17th ed.) Citation

Sinclair, Upton. Index of the Project Gutenberg Works of Upton Sinclair.

MLA (9th ed.) Citation

Sinclair, Upton. Index of the Project Gutenberg Works of Upton Sinclair.

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