APA引文

Horwood, G., Opondo, C., Choudhury, S., Rani, A., & Nair, M. (2020). Risk factors for maternal mortality among 1.9 million women in nine Empowered Action Group states in India: Secondary analysis of Annual Health Survey data. BMJ Publishing Group.

芝加哥风格引文

Horwood, G., C. Opondo, SS Choudhury, A. Rani, 与 M. Nair. Risk Factors for Maternal Mortality Among 1.9 Million Women in Nine Empowered Action Group States in India: Secondary Analysis of Annual Health Survey Data. BMJ Publishing Group, 2020.

MLA引文

Horwood, G., et al. Risk Factors for Maternal Mortality Among 1.9 Million Women in Nine Empowered Action Group States in India: Secondary Analysis of Annual Health Survey Data. BMJ Publishing Group, 2020.

警告:这些引文格式不一定是100%准确.