Cita APA (7a ed.)
Crane, J. M. G., & Hutchens, D. (2011). Follow-up cervical length in asymptomatic high-risk women and the risk of spontaneous preterm birth. Journal of Perinatology, 31(5), 318-324.
Cita Chicago Style (17a ed.)
Crane, J M G., y D. Hutchens. "Follow-up Cervical Length in Asymptomatic High-risk Women and the Risk of Spontaneous Preterm Birth." Journal of Perinatology 31, no. 5 (2011): 318-324.
Cita MLA (9a ed.)
Crane, J M G., y D. Hutchens. "Follow-up Cervical Length in Asymptomatic High-risk Women and the Risk of Spontaneous Preterm Birth." Journal of Perinatology, vol. 31, no. 5, 2011, pp. 318-324.
Precaución: Estas citas no son 100% exactas.