APA (7th ed.) Citation

Twain, M., Budd, L. J., & Clemens, S. L. (1992). Collected tales, sketches, speeches & essays. Library of America.

Chicago Style (17th ed.) Citation

Twain, Mark, Louis J. Budd, and Samuel Langhorne Clemens. Collected Tales, Sketches, Speeches & Essays. New York: Library of America, 1992.

MLA (9th ed.) Citation

Twain, Mark, et al. Collected Tales, Sketches, Speeches & Essays. Library of America, 1992.