APA (7th ed.) Citation

Commons, J. R. (2010). Races and Immigrants in America. Project Gutenberg.

Chicago Style (17th ed.) Citation

Commons, John R. Races and Immigrants in America. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Commons, John R. Races and Immigrants in America. Project Gutenberg, 2010.

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