APA (7th ed.) Citation

Clark, T. M. (2009). John Whopper The Newsboy. Project Gutenberg.

Chicago Style (17th ed.) Citation

Clark, Thomas M. John Whopper The Newsboy. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Clark, Thomas M. John Whopper The Newsboy. Project Gutenberg, 2009.

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