APA (7th ed.) Citation

Paine, A. B. (1929). Mark Twain: A biography ; the personal and literary life of Samuel Langhorne Clemens. Harper.

Chicago Style (17th ed.) Citation

Paine, Albert B. Mark Twain: A Biography ; the Personal and Literary Life of Samuel Langhorne Clemens. New York u.a: Harper, 1929.

MLA (9th ed.) Citation

Paine, Albert B. Mark Twain: A Biography ; the Personal and Literary Life of Samuel Langhorne Clemens. Harper, 1929.