Pratchett, T., & Baxter, S. (2016). The long cosmos (First U.S. edition.). Harper, an imprint of HarperCollinsPublishers.
Cita Chicago Style (17a ed.)Pratchett, Terry, y Stephen Baxter. The Long Cosmos. First U.S. edition. New York, NY: Harper, an imprint of HarperCollinsPublishers, 2016.
Cita MLA (8a ed.)Pratchett, Terry, y Stephen Baxter. The Long Cosmos. First U.S. edition. Harper, an imprint of HarperCollinsPublishers, 2016.
Precaución: Estas citas no son 100% exactas.