APA (7th ed.) Citation

Lewis, C., Hill, M., Silcock, C., Daley, R., & Chitty, L. (2014). Authors' reply: Noninvasive prenatal testing for trisomy 21: when counselling is needed before responding to a survey. BJOG: An International Journal of Obstetrics & Gynaecology, 121(11), 1444. https://doi.org/10.1111/1471-0528.12833

Chicago Style (17th ed.) Citation

Lewis, C., M. Hill, C. Silcock, R. Daley, and LS Chitty. "Authors' Reply: Noninvasive Prenatal Testing for Trisomy 21: When Counselling Is Needed Before Responding to a Survey." BJOG: An International Journal of Obstetrics & Gynaecology 121, no. 11 (2014): 1444. https://doi.org/10.1111/1471-0528.12833.

MLA (9th ed.) Citation

Lewis, C., et al. "Authors' Reply: Noninvasive Prenatal Testing for Trisomy 21: When Counselling Is Needed Before Responding to a Survey." BJOG: An International Journal of Obstetrics & Gynaecology, vol. 121, no. 11, 2014, p. 1444, https://doi.org/10.1111/1471-0528.12833.