Spratley, E. (1977). Birth and fertility rates for States and metropolitan areas: United States. U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics.
Chicago Style (17th ed.) CitationSpratley, Ernell. Birth and Fertility Rates for States and Metropolitan Areas: United States. Hyattsville, Md.: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics, 1977.
MLA (9th ed.) CitationSpratley, Ernell. Birth and Fertility Rates for States and Metropolitan Areas: United States. U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics, 1977.