APA (7th ed.) Citation

Zhang, X., & Kramer, M. (2012). The rise in singleton preterm births in the USA: The impact of labour induction. BJOG: An International Journal of Obstetrics & Gynaecology, 119(11), 1309. https://doi.org/10.1111/j.1471-0528.2012.03453.x

Chicago Style (17th ed.) Citation

Zhang, X., and MS Kramer. "The Rise in Singleton Preterm Births in the USA: The Impact of Labour Induction." BJOG: An International Journal of Obstetrics & Gynaecology 119, no. 11 (2012): 1309. https://doi.org/10.1111/j.1471-0528.2012.03453.x.

MLA (9th ed.) Citation

Zhang, X., and MS Kramer. "The Rise in Singleton Preterm Births in the USA: The Impact of Labour Induction." BJOG: An International Journal of Obstetrics & Gynaecology, vol. 119, no. 11, 2012, p. 1309, https://doi.org/10.1111/j.1471-0528.2012.03453.x.