Cita APA (7a ed.)

Quirk, T. (2007). Mark Twain and Human Nature. University of Missouri Press.

Cita Chicago Style (17a ed.)

Quirk, Tom. Mark Twain and Human Nature. Columbia: University of Missouri Press, 2007.

Cita MLA (8a ed.)

Quirk, Tom. Mark Twain and Human Nature. University of Missouri Press, 2007.