APA (7th ed.) Citation

Greene, G. W. (2014). A short history of Rhode Island. Project Gutenberg.

Chicago Style (17th ed.) Citation

Greene, George Washington. A Short History of Rhode Island. Project Gutenberg, 2014.

MLA (9th ed.) Citation

Greene, George Washington. A Short History of Rhode Island. Project Gutenberg, 2014.

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