Westerfeld, S. (2005). Uglies (First Simon Pulse edition.). Simon Pulse.
Cita Chicago (17th ed.)Westerfeld, Scott. Uglies. First Simon Pulse edition. New York: Simon Pulse, 2005.
Cita MLA (9th ed.)Westerfeld, Scott. Uglies. First Simon Pulse edition. Simon Pulse, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.