Walker, M., & West, S. (2017). Why we sleep: Unlocking the power of sleep and dreams (Unabridged.). Simon & Schuster Audio.
Chicago Style (17th ed.) CitationWalker, Matthew, and Steve West. Why We Sleep: Unlocking the Power of Sleep and Dreams. Unabridged. New York: Simon & Schuster Audio, 2017.
MLA (8th ed.) CitationWalker, Matthew, and Steve West. Why We Sleep: Unlocking the Power of Sleep and Dreams. Unabridged. Simon & Schuster Audio, 2017.
Warning: These citations may not always be 100% accurate.