APA (7th ed.) Citation

Pratchett, T., & Baxter, S. (2015). The Long Utopia. Penguin Random House.

Chicago Style (17th ed.) Citation

Pratchett, Terry, and Stephen Baxter. The Long Utopia. london: Penguin Random House, 2015.

MLA (9th ed.) Citation

Pratchett, Terry, and Stephen Baxter. The Long Utopia. Penguin Random House, 2015.