APA (7th ed.) Citation

KS, J., MS, K., S, M., A, O., SW, W., A, A., & R, P. (1998). Determinants of preterm birth rates in Canada from 1981 through 1983 and from 1992 through 1994. New England Journal of Medicine, 339(20), 1434.

Chicago Style (17th ed.) Citation

KS, Joseph, Kramer MS, Marcoux S, Ohlsson A, Wen SW, Allen A, and Platt R. "Determinants of Preterm Birth Rates in Canada from 1981 Through 1983 and from 1992 Through 1994." New England Journal of Medicine 339, no. 20 (1998): 1434.

MLA (9th ed.) Citation

KS, Joseph, et al. "Determinants of Preterm Birth Rates in Canada from 1981 Through 1983 and from 1992 Through 1994." New England Journal of Medicine, vol. 339, no. 20, 1998, p. 1434.