(1963). Mark Twain: A collection fo critical essays. Prentice-Hall.
Cita Chicago (17th ed.)Mark Twain: A Collection Fo Critical Essays. Englewood Cliffs: Prentice-Hall, 1963.
Cita MLA (9th ed.)Mark Twain: A Collection Fo Critical Essays. Prentice-Hall, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.