APA (7th ed.) Citation

Kaplan, J. (1974). Mark Twain and his world. Simon and Schuster.

Chicago Style (17th ed.) Citation

Kaplan, Justin. Mark Twain and His World. New York: Simon and Schuster, 1974.

MLA (9th ed.) Citation

Kaplan, Justin. Mark Twain and His World. Simon and Schuster, 1974.