Lewis, P. A. (2013). The secret world of sleep: The surprising science of the mind at rest (First edition.). Palgrave Macmillan.
Cita Chicago Style (17a ed.)Lewis, Penelope A. The Secret World of Sleep: The Surprising Science of the Mind at Rest. First edition. New York, NY: Palgrave Macmillan, 2013.
Cita MLA (8a ed.)Lewis, Penelope A. The Secret World of Sleep: The Surprising Science of the Mind at Rest. First edition. Palgrave Macmillan, 2013.
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