APA (7th ed.) Citation

Hackmon, R., Librach, C., Matok, I., Cho, I., Rodrigues, N., Ray, J., . . . Berger, H. (2011). OP25.03: Does first trimester crown-rump length predict term birthweight? Ultrasound in Obstetrics & Gynecology, 38, 128. https://doi.org/10.1002/uog.9491

Chicago Style (17th ed.) Citation

Hackmon, R., C. Librach, I. Matok, I. Cho, N. Rodrigues, J. Ray, D. Farine, and H. Berger. "OP25.03: Does First Trimester Crown-rump Length Predict Term Birthweight?" Ultrasound in Obstetrics & Gynecology 38 (2011): 128. https://doi.org/10.1002/uog.9491.

MLA (9th ed.) Citation

Hackmon, R., et al. "OP25.03: Does First Trimester Crown-rump Length Predict Term Birthweight?" Ultrasound in Obstetrics & Gynecology, vol. 38, 2011, p. 128, https://doi.org/10.1002/uog.9491.