APA (7th ed.) Citation

Li, C., Guo, Y., Zhu, Y., Zhu, J., Xiao, Q., Chen, D., & Lan, C. Comparison of Polyethylene Glycol versus Lactulose Oral Solution for Bowel Preparation prior to Colonoscopy. Wiley.

Chicago Style (17th ed.) Citation

Li, Chun-Xia, Yan Guo, Yang-Jie Zhu, Jian-Ru Zhu, Qian-Song Xiao, Dong-Feng Chen, and Chun-Hui Lan. Comparison of Polyethylene Glycol Versus Lactulose Oral Solution for Bowel Preparation Prior to Colonoscopy. Wiley.

MLA (9th ed.) Citation

Li, Chun-Xia, et al. Comparison of Polyethylene Glycol Versus Lactulose Oral Solution for Bowel Preparation Prior to Colonoscopy. Wiley.