National Center for Health Statistics (U.S.). (2000). Trends in pregnancies and pregnancy rates by outcome: Estimates for the United States, 1976-96. U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics.
Chicago Style (17th ed.) CitationNational Center for Health Statistics (U.S.). Trends in Pregnancies and Pregnancy Rates by Outcome: Estimates for the United States, 1976-96. Hyattsville, Md.: U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, 2000.
MLA (9th ed.) CitationNational Center for Health Statistics (U.S.). Trends in Pregnancies and Pregnancy Rates by Outcome: Estimates for the United States, 1976-96. U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, 2000.