APA (7th ed.) Citation

Overton, M. (2010). Jack Winters' Campmates. Project Gutenberg.

Chicago Style (17th ed.) Citation

Overton, Mark. Jack Winters' Campmates. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Overton, Mark. Jack Winters' Campmates. Project Gutenberg, 2010.

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