APA (7th ed.) Citation

Smith, H. N. (1962). Mark Twain. Prentice-Hall.

Chicago Style (17th ed.) Citation

Smith, Henry Nash. Mark Twain. Englewood Cliffs: Prentice-Hall, 1962.

MLA (9th ed.) Citation

Smith, Henry Nash. Mark Twain. Prentice-Hall, 1962.

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