Pratchett, T. (2010). I shall wear midnight. Harper.
Cita Chicago Style (17a ed.)Pratchett, Terry. I Shall Wear Midnight. New York: Harper, 2010.
Cita MLA (8a ed.)Pratchett, Terry. I Shall Wear Midnight. Harper, 2010.
Precaución: Estas citas no son 100% exactas.