APA (7th ed.) Citation

Smith, M. A. (2020). The magic of sleep: A bedside companion. Harper Design.

Chicago Style (17th ed.) Citation

Smith, Michael Acton. The Magic of Sleep: A Bedside Companion. New York: Harper Design, 2020.

MLA (9th ed.) Citation

Smith, Michael Acton. The Magic of Sleep: A Bedside Companion. Harper Design, 2020.