APA (7th ed.) Citation

Twain, M., & Howells, W. D. (1888). Mark Twain's library of humor. C.L. Webster.

Chicago Style (17th ed.) Citation

Twain, Mark, and William Dean Howells. Mark Twain's Library of Humor. New York: C.L. Webster, 1888.

MLA (9th ed.) Citation

Twain, Mark, and William Dean Howells. Mark Twain's Library of Humor. C.L. Webster, 1888.