Cita APA (7th ed.)
Choy, E. (2009). Fibromyalgia syndrome. Oxford University Press.
Cita Chicago (17th ed.)
Choy, Ernest. Fibromyalgia Syndrome. Oxford ; New York: Oxford University Press, 2009.
Cita MLA (9th ed.)
Choy, Ernest. Fibromyalgia Syndrome. Oxford University Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.