APA (7th ed.) Citation

Emerson, E. H. (1984). The authentic Mark Twain: A literary biography of Samuel L. Clemens. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Emerson, Everett H. The Authentic Mark Twain: A Literary Biography of Samuel L. Clemens. Philadelphia: University of Pennsylvania Press, 1984.

MLA (9th ed.) Citation

Emerson, Everett H. The Authentic Mark Twain: A Literary Biography of Samuel L. Clemens. University of Pennsylvania Press, 1984.