APA (7th ed.) Citation

Lewis, A. H. (2012). The Sunset Trail. Project Gutenberg.

Chicago Style (17th ed.) Citation

Lewis, Alfred Henry. The Sunset Trail. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Lewis, Alfred Henry. The Sunset Trail. Project Gutenberg, 2012.

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