APA (7th ed.) Citation

Powers, R. (2005). Mark Twain: A life. Free Press.

Chicago Style (17th ed.) Citation

Powers, Ron. Mark Twain: A Life. New York: Free Press, 2005.

MLA (9th ed.) Citation

Powers, Ron. Mark Twain: A Life. Free Press, 2005.

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