APA (7th ed.) Citation

Liu, Z., Fu, Z., & Yang, L. The role of ultrasound before instrumental vaginal delivery may be underestimated. Wiley.

Chicago Style (17th ed.) Citation

Liu, Zhengli, Zhongxia Fu, and Lin Yang. The Role of Ultrasound Before Instrumental Vaginal Delivery May Be Underestimated. Wiley.

MLA (9th ed.) Citation

Liu, Zhengli, et al. The Role of Ultrasound Before Instrumental Vaginal Delivery May Be Underestimated. Wiley.