APA (7th ed.) Citation

Warner, C. D. (2004). Certain Diversities of American Life. Project Gutenberg.

Chicago Style (17th ed.) Citation

Warner, Charles Dudley. Certain Diversities of American Life. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Warner, Charles Dudley. Certain Diversities of American Life. Project Gutenberg, 2004.

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