APA (7th ed.) Citation

Butler, M. M. (2012). A Soldier's Son. Project Gutenberg.

Chicago Style (17th ed.) Citation

Butler, Maude M. A Soldier's Son. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Butler, Maude M. A Soldier's Son. Project Gutenberg, 2012.

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