APA (7th ed.) Citation

Mason, A. B. (2013). Tom Strong, Lincoln's Scout. Project Gutenberg.

Chicago Style (17th ed.) Citation

Mason, Alfred Bishop. Tom Strong, Lincoln's Scout. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Mason, Alfred Bishop. Tom Strong, Lincoln's Scout. Project Gutenberg, 2013.

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