Ahmed, S., Mvalo, T., Akech, S., Agweyu, A., Baker, K., Bar-Zeev, N., . . . McCollum, E. (2020). Protecting children in low-income and middle-income countries from COVID-19. BMJ Publishing Group.
芝加哥风格引文Ahmed, S., et al. Protecting Children in Low-income and Middle-income Countries from COVID-19. BMJ Publishing Group, 2020.
MLA引文Ahmed, S., et al. Protecting Children in Low-income and Middle-income Countries from COVID-19. BMJ Publishing Group, 2020.
警告：这些引文格式不一定是100％准确.