APA (7th ed.) Citation

Xiao-Feng Liang, Guan-Hao He, Wen-Jun Ma, & Jian-Peng Xiao. (2021). Roll-out of vaccination against COVID-19 pandemic. BMC.

Chicago Style (17th ed.) Citation

Xiao-Feng Liang, Guan-Hao He, Wen-Jun Ma, and Jian-Peng Xiao. Roll-out of Vaccination Against COVID-19 Pandemic. BMC, 2021.

MLA (9th ed.) Citation

Xiao-Feng Liang, et al. Roll-out of Vaccination Against COVID-19 Pandemic. BMC, 2021.

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