APA (7th ed.) Citation

Twain, M. (2005). Is Shakespeare Dead? Project Gutenberg.

Chicago Style (17th ed.) Citation

Twain, Mark. Is Shakespeare Dead? Project Gutenberg, 2005.

MLA (9th ed.) Citation

Twain, Mark. Is Shakespeare Dead? Project Gutenberg, 2005.

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