JA, M., MJ, O., & PD, S. (2010). Are preterm births on the decline in the United States? Recent data from the National Vital Statistics System. NCHS data brief, 39, 1.
Chicago Style (17th ed.) CitationJA, Martin, Osterman MJ, and Sutton PD. "Are Preterm Births on the Decline in the United States? Recent Data from the National Vital Statistics System." NCHS Data Brief 39 (2010): 1.
MLA (9th ed.) CitationJA, Martin, et al. "Are Preterm Births on the Decline in the United States? Recent Data from the National Vital Statistics System." NCHS Data Brief, 39, 2010, p. 1.
Warning: These citations may not always be 100% accurate.