MLA

Shapiro, Colin M, Mohamed R. G Hussain, and James G MacFarlane. Conquering Insomnia : an Illustrated Guide to Understanding Sleep and a Manual for Overcoming Sleep Disruption. Hamilton: Empowering Press, 1994.

APA

Shapiro, C. M, Hussain, M. R. G, & MacFarlane, J. G. (1994). Conquering insomnia : an illustrated guide to understanding sleep and a manual for overcoming sleep disruption. Hamilton: Empowering Press.

Chicago

Shapiro, Colin M., Mohamed R. G Hussain, and James G MacFarlane. Conquering Insomnia: An Illustrated Guide to Understanding Sleep and a Manual for Overcoming Sleep Disruption. Hamilton: Empowering Press, 1994.