Cita APA (7th ed.)
Twain, M., & Fatout, P. (2006). Mark Twain speaking. University of Iowa Press.
Cita Chicago (17th ed.)
Twain, Mark, i Paul Fatout. Mark Twain Speaking. Iowa City: University of Iowa Press, 2006.
Cita MLA (9th ed.)
Twain, Mark, i Paul Fatout. Mark Twain Speaking. University of Iowa Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.