Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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