APA引文

Guo, W., Hu, Z., Tan, Y., Sheng, M., & Wang, J. (2017). Risk factors for recurrent intussusception in children: A retrospective cohort study. BMJ Open.

Citação norma Chicago

Guo, Wan-liang, Zhang-chun Hu, Ya-lan Tan, Mao Sheng, and Jian Wang. "Risk Factors for Recurrent Intussusception in Children: A Retrospective Cohort Study." BMJ Open 2017.

MLA引文

Guo, Wan-liang, et al. "Risk Factors for Recurrent Intussusception in Children: A Retrospective Cohort Study." BMJ Open 2017.