APA (7th ed.) Citation

Otis, J., & Davis, J. W. (2010). On the Kentucky Frontier: A Story of the Fighting Pioneers of the West. Project Gutenberg.

Chicago Style (17th ed.) Citation

Otis, James, and J. Watson Davis. On the Kentucky Frontier: A Story of the Fighting Pioneers of the West. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Otis, James, and J. Watson Davis. On the Kentucky Frontier: A Story of the Fighting Pioneers of the West. Project Gutenberg, 2010.

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