APA Style

Espie, Colin A.. (2010). Overcoming Insomnia and Sleep Problems . London: Robinson.

Chicago Style

Espie, Colin A.. Overcoming Insomnia and Sleep Problems. London: Robinson, 2010. Text.

MLA Style

Espie, Colin A.. Overcoming Insomnia and Sleep Problems. London: Robinson, 2010. Text.

Turabian Style

Espie, Colin A.. Overcoming Insomnia and Sleep Problems. London: Robinson, 2010. Print.