APA Style
Walker, Matthew. (2017).
Why we sleep: unlocking the power of sleep and dreams .
New York:
Scribner Book.
Chicago Style
Walker, Matthew.
Why we sleep: unlocking the power of sleep and dreams.
New York:
Scribner Book,
2017.
Text.
MLA Style
Walker, Matthew.
Why we sleep: unlocking the power of sleep and dreams.
New York:
Scribner Book,
2017.
Text.
Turabian Style
Walker, Matthew.
Why we sleep: unlocking the power of sleep and dreams.
New York:
Scribner Book,
2017.
Print.