APA (7th ed.) Citation

O’Hara, S., Zelesco, M., & Sun, Z. (2013). Cervical length for predicting preterm birth and a comparison of ultrasonic measurement techniques. Minnis Journals.

Chicago Style (17th ed.) Citation

O’Hara, Sandra, Marilyn Zelesco, and Zhonghua Sun. Cervical Length for Predicting Preterm Birth and a Comparison of Ultrasonic Measurement Techniques. Minnis Journals, 2013.

MLA (9th ed.) Citation

O’Hara, Sandra, et al. Cervical Length for Predicting Preterm Birth and a Comparison of Ultrasonic Measurement Techniques. Minnis Journals, 2013.

Warning: These citations may not always be 100% accurate.