The data on PeriStats originates from multiple agencies. Sources for this data are listed at the bottom of every page that includes graphs, maps, tables and data used in context. In addition to the source agency, a citation should include the PeriStats Web site address and the date it was retrieved.
Sample Citation:
National Center for Health Statistics, final natality data. Retrieved February 4th, 2004, from www.marchofdimes.org/peristats.