APA (7th ed.) Citation

Bolton, S. K. (2012). Famous American Statesmen. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bolton, Sarah Knowles. Famous American Statesmen. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Bolton, Sarah Knowles. Famous American Statesmen. Project Gutenberg, 2012.

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