APA (7th ed.) Citation

Otis, J. (2010). Under the Liberty Tree: A Story of The 'Boston Massacre'. Project Gutenberg.

Chicago Style (17th ed.) Citation

Otis, James. Under the Liberty Tree: A Story of The 'Boston Massacre'. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Otis, James. Under the Liberty Tree: A Story of The 'Boston Massacre'. Project Gutenberg, 2010.

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