Cita APA (7a ed.)

Wilson, S., & Nutt, D. J. (2008). Sleep disorders. Oxford University Press.

Cita Chicago Style (17a ed.)

Wilson, Sue, y David J. Nutt. Sleep Disorders. Oxford ; New York: Oxford University Press, 2008.

Cita MLA (9a ed.)

Wilson, Sue, y David J. Nutt. Sleep Disorders. Oxford University Press, 2008.