APA (7th ed.) Citation

Randall, R., & Kerins, T. (2017). Before I go to sleep. Parragon Books Ltd..

Chicago Style (17th ed.) Citation

Randall, Ronne, and Tony Kerins. Before I Go to Sleep. Bath: Parragon Books Ltd., 2017.

MLA (9th ed.) Citation

Randall, Ronne, and Tony Kerins. Before I Go to Sleep. Parragon Books Ltd., 2017.

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