APA (7th ed.) Citation

Blossom, H. (2010). Checkers: A Hard-luck Story. Project Gutenberg.

Chicago Style (17th ed.) Citation

Blossom, Henry. Checkers: A Hard-luck Story. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Blossom, Henry. Checkers: A Hard-luck Story. Project Gutenberg, 2010.

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