APA (7th ed.) Zitazioa

Bird, J. (2007). Mark Twain and metaphor. University of Missouri Press.

Chicago Style (17th ed.) Zitazioa

Bird, John. Mark Twain and Metaphor. Columbia: University of Missouri Press, 2007.

MLA (9th ed.) Zitazioa

Bird, John. Mark Twain and Metaphor. University of Missouri Press, 2007.