Citação norma APA

Xu, J., Zhou, R., Su, W., Wang, S., Xia, Y., Papadimos, T., . . . Xu, X. (2020). Ultrasound-guided bilateral pudendal nerve blocks of nulliparous women with epidural labour analgesia in the second stage of labour: A randomised, double-blind, controlled trial. BMJ Open.

Citação norma Chicago

Xu, Jialing, Riyong Zhou, Weijue Su, Shi Wang, Yun Xia, Thomas Papadimos, Junzhao Zhao, and Xuzhong Xu. "Ultrasound-guided Bilateral Pudendal Nerve Blocks of Nulliparous Women With Epidural Labour Analgesia in the Second Stage of Labour: A Randomised, Double-blind, Controlled Trial." BMJ Open 2020.

Citação norma MLA

Xu, Jialing, et al. "Ultrasound-guided Bilateral Pudendal Nerve Blocks of Nulliparous Women With Epidural Labour Analgesia in the Second Stage of Labour: A Randomised, Double-blind, Controlled Trial." BMJ Open 2020.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.