McKenna, P., & Willbourn, H. (2009). I can make you sleep: Overcome insomnia forever and get the best rest of your life. Sterling.
Cita Chicago Style (17a ed.)McKenna, Paul, y Hugh Willbourn. I Can Make You Sleep: Overcome Insomnia Forever and Get the Best Rest of Your Life. New York: Sterling, 2009.
Cita MLA (8a ed.)McKenna, Paul, y Hugh Willbourn. I Can Make You Sleep: Overcome Insomnia Forever and Get the Best Rest of Your Life. Sterling, 2009.
Precaución: Estas citas no son 100% exactas.