APA (7th ed.) Citation

Twain, M. (2005). Fenimore Cooper's Literary Offences. Project Gutenberg.

Chicago Style (17th ed.) Citation

Twain, Mark. Fenimore Cooper's Literary Offences. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Twain, Mark. Fenimore Cooper's Literary Offences. Project Gutenberg, 2005.

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