Pratchett, T., & Briggs, S. (2008). Nation. Harper Children's Audio.
Cita Chicago Style (17a ed.)Pratchett, Terry, y Stephen Briggs. Nation. [New York, N.Y.]: Harper Children's Audio, 2008.
Cita MLA (8a ed.)Pratchett, Terry, y Stephen Briggs. Nation. Harper Children's Audio, 2008.
Precaución: Estas citas no son 100% exactas.