Title of Homepage [Internet]. Publisher; Date of Publication of Homepage. Title of website; Publication Date [cited Year Month Day]; [approximate length]. Available from: URL
U.S. Food and Drug Administration, Center for Drug Evaluation and Research. Index to drug-specific information [Internet]. Silver Spring (MD): U.S. Food and Drug Administration; [updated 2009 Jun 4]. Sleep disorder (sedative-hypnotic) drug information; [updated 2009 May 21; cited 2009 Jun 10]; [about 2 screens]. Available from: http://www.fda.gov/Drugs/DrugSafety/PostmarketDrugSafetyInformationforPatientsandProviders/ucm101557.htm