Cita APA (7th ed.)
ebrary, Inc, & Dudden, A. P. (1987). American humor. Oxford University Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Arthur Power Dudden. American Humor. New York: Oxford University Press, 1987.
Cita MLA (9th ed.)
ebrary, Inc, i Arthur Power Dudden. American Humor. Oxford University Press, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.