APA (7th ed.) Citation

Ribeiro, I., Nunes, F., & Ghira, M. (2001). Evaluation of analgesia after cesarean section.

Chicago Style (17th ed.) Citation

Ribeiro, I., F. Nunes, and M. Ghira. Evaluation of Analgesia After Cesarean Section. 2001.

MLA (8th ed.) Citation

Ribeiro, I., et al. Evaluation of Analgesia After Cesarean Section. 2001.