APA (7th ed.) Citation

Lewis, S. (2010). Babbitt. Project Gutenberg.

Chicago Style (17th ed.) Citation

Lewis, Sinclair. Babbitt. To be supplied: Project Gutenberg, 2010.

MLA (8th ed.) Citation

Lewis, Sinclair. Babbitt. Project Gutenberg, 2010.

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