APA (7th ed.) Citation

Keats, E. J. (1965). John Henry, an American legend. Pantheon Books.

Chicago Style (17th ed.) Citation

Keats, Ezra Jack. John Henry, an American Legend. New York: Pantheon Books, 1965.

MLA (9th ed.) Citation

Keats, Ezra Jack. John Henry, an American Legend. Pantheon Books, 1965.