APA (7th ed.) Citation

Howells, W. D., & Clark, C. H. (1969). Mark Twains' library of humor. Garrett Press.

Chicago Style (17th ed.) Citation

Howells, William Dean, and Charles Hopkins Clark. Mark Twains' Library of Humor. New York: Garrett Press, 1969.

MLA (9th ed.) Citation

Howells, William Dean, and Charles Hopkins Clark. Mark Twains' Library of Humor. Garrett Press, 1969.