APA (7th ed.) Citation

Maroni, E., De Musso, F., Giorgetta, F., Nanni, M., Youssef, A., Contro, E., . . . Ghi, T. (2012). OP18.07: Head progression in fetuses with persistent occiput posterior position at delivery: longitudinal assessment by 3D ultrasound in the second stage. Ultrasound in Obstetrics & Gynecology, 40, 110. https://doi.org/10.1002/uog.11564

Chicago Style (17th ed.) Citation

Maroni, E., et al. "OP18.07: Head Progression in Fetuses with Persistent Occiput Posterior Position at Delivery: Longitudinal Assessment by 3D Ultrasound in the Second Stage." Ultrasound in Obstetrics & Gynecology 40 (2012): 110. https://doi.org/10.1002/uog.11564.

MLA (9th ed.) Citation

Maroni, E., et al. "OP18.07: Head Progression in Fetuses with Persistent Occiput Posterior Position at Delivery: Longitudinal Assessment by 3D Ultrasound in the Second Stage." Ultrasound in Obstetrics & Gynecology, vol. 40, 2012, p. 110, https://doi.org/10.1002/uog.11564.