APA (7th ed.) Citation

Xiu, S., Tang, L., Qin, C., Tian, D., Chen, Y., Gu, L., . . . Wang, Y. Association between interpregnancy interval and adverse perinatal outcomes according to maternal age in the context of China’s two-child policy. BMC.

Chicago Style (17th ed.) Citation

Xiu, SiQin, et al. Association Between Interpregnancy Interval and Adverse Perinatal Outcomes According to Maternal Age in the Context of China’s Two-child Policy. BMC.

MLA (9th ed.) Citation

Xiu, SiQin, et al. Association Between Interpregnancy Interval and Adverse Perinatal Outcomes According to Maternal Age in the Context of China’s Two-child Policy. BMC.

Warning: These citations may not always be 100% accurate.