APA (7th ed.) Citation

Moore, W. (2008). Greener Than You Think. Project Gutenberg.

Chicago Style (17th ed.) Citation

Moore, Ward. Greener Than You Think. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Moore, Ward. Greener Than You Think. Project Gutenberg, 2008.

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