William L. Andrews, Frances Smith Foster, and Trudier Harris. "John Henry." The Concise Oxford Companion to African American Literature. 2001. Encyclopedia.com. 10 Nov. 2009 <http://www.encyclopedia.com>.
William L. Andrews, Frances Smith Foster, and Trudier Harris. "John Henry." The Concise Oxford Companion to African American Literature. 2001. Encyclopedia.com. (November 10, 2009). http://www.encyclopedia.com/doc/1O52-JohnHenry.html
William L. Andrews, Frances Smith Foster, and Trudier Harris. "John Henry." The Concise Oxford Companion to African American Literature. 2001. Retrieved November 10, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O52-JohnHenry.html