APA (7th ed.) Citation

Kaplan, J. (1966). Mr. Clemens and Mark Twain: A biography (6. print.). Simon & Schuster.

Chicago Style (17th ed.) Citation

Kaplan, Justin. Mr. Clemens and Mark Twain: A Biography. 6. print. New York: Simon & Schuster, 1966.

MLA (9th ed.) Citation

Kaplan, Justin. Mr. Clemens and Mark Twain: A Biography. 6. print. Simon & Schuster, 1966.

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