APA (7th ed.) Citation

Gibbs, G. (2004). Madcap. Project Gutenberg.

Chicago Style (17th ed.) Citation

Gibbs, George. Madcap. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Gibbs, George. Madcap. Project Gutenberg, 2004.

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