Datasets with a DOI:
Author, Date, “Title of Dataset,” Source, doi: xxx.
Example:
U.S. Department of Health and Human Services, Aug. 2013, “Treatment Episode Dataset: Discharges (TEDS-D): Concatenated, 2006 to 2009,” U.S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, Office of Applied Studies, doi: 10.3886/ICPSR30122.v2.
Datasets with a website address:
Author, Date, “Title of Dataset,” Source. [Online]. Available: https://www.url.com
Example:
U.S. Department of Health and Human Services, Aug. 2013, “Treatment Episode Dataset: Discharges (TEDS-D): Concatenated, 2006 to 2009,” U.S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, Office of Applied Studies. [Online]. Available: http://www.icpsr.umich.edu/icpsrweb/SAMHDA/studies/30122/version/