APA (7th ed.) Citation

Hofmann, M. C. (2005). Games for Everybody. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hofmann, Mary Christiana. Games for Everybody. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Hofmann, Mary Christiana. Games for Everybody. Project Gutenberg, 2005.

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