APA Style

Watson, S. J. (2011). Before I Go To Sleep . New York: HarperCollinsPublisher.

Chicago Style

Watson, S. J. Before I Go To Sleep. New York: HarperCollinsPublisher, 2011. Text.

MLA Style

Watson, S. J. Before I Go To Sleep. New York: HarperCollinsPublisher, 2011. Text.

Turabian Style

Watson, S. J. Before I Go To Sleep. New York: HarperCollinsPublisher, 2011. Print.