APA (7th ed.) Citation

Twain, M. (2006). Chapters from My Autobiography. Project Gutenberg.

Chicago Style (17th ed.) Citation

Twain, Mark. Chapters from My Autobiography. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Twain, Mark. Chapters from My Autobiography. Project Gutenberg, 2006.

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