APA Style

Walker, Matthew. (2017). Why We Sleep : Unlocking the Power of Sleep and Dreams . New York: Scribner.

Chicago Style

Walker, Matthew. Why We Sleep : Unlocking the Power of Sleep and Dreams. New York: Scribner, 2017. Book.

MLA Style

Walker, Matthew. Why We Sleep : Unlocking the Power of Sleep and Dreams. New York: Scribner, 2017. Book.

Turabian Style

Walker, Matthew. Why We Sleep : Unlocking the Power of Sleep and Dreams. New York: Scribner, 2017. Book.