Sparks, N. (2011). True believer. Sphere, Warner Books.
Cita Chicago (17th ed.)Sparks, Nicholas. True Believer. London : New York: Sphere, Warner Books, 2011.
Cita MLA (8th ed.)Sparks, Nicholas. True Believer. Sphere, Warner Books, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.