APA (7th ed.) Citation

Butler, A. J. (2009). Dante: His Times and His Work. Project Gutenberg.

Chicago Style (17th ed.) Citation

Butler, Arthur John. Dante: His Times and His Work. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Butler, Arthur John. Dante: His Times and His Work. Project Gutenberg, 2009.

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