Cita APA (7th ed.)
Bird, J. (2007). Mark Twain and metaphor. University of Missouri Press.
Cita Chicago (17th ed.)
Bird, John. Mark Twain and Metaphor. Columbia: University of Missouri Press, 2007.
Cita MLA (9th ed.)
Bird, John. Mark Twain and Metaphor. University of Missouri Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.