APA (7th ed.) Citation

Clemens, S. L. (1967). Roughing it by Mark Twain. Airmont Pub, Co.

Chicago Style (17th ed.) Citation

Clemens, Samuel Langhorne. Roughing It by Mark Twain. New York: Airmont Pub, Co, 1967.

MLA (9th ed.) Citation

Clemens, Samuel Langhorne. Roughing It by Mark Twain. Airmont Pub, Co, 1967.