APA (7th ed.) Citation

HH, C., J, L., H, B., CY, S., CP, H., S, C., . . . JE, L. (2013). Preventing preterm births: Analysis of trends and potential reductions with interventions in 39 countries with very high human development index. Lancet (London, England), 381(9862), 223. https://doi.org/10.1016/S0140-6736(12)61856-X

Chicago Style (17th ed.) Citation

HH, Chang, et al. "Preventing Preterm Births: Analysis of Trends and Potential Reductions with Interventions in 39 Countries with Very High Human Development Index." Lancet (London, England) 381, no. 9862 (2013): 223. https://doi.org/10.1016/S0140-6736(12)61856-X.

MLA (9th ed.) Citation

HH, Chang, et al. "Preventing Preterm Births: Analysis of Trends and Potential Reductions with Interventions in 39 Countries with Very High Human Development Index." Lancet (London, England), vol. 381, no. 9862, 2013, p. 223, https://doi.org/10.1016/S0140-6736(12)61856-X.