APA (7th ed.) Citation

Watson, S. (2014). Before I go to sleep. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Watson, S.J. Before I Go to Sleep. New York: HarperCollins Publishers, 2014.

MLA (9th ed.) Citation

Watson, S.J. Before I Go to Sleep. HarperCollins Publishers, 2014.

Warning: These citations may not always be 100% accurate.