APA način citiranja

Chen, R. (2021). Whether County Lockdown Could Deter the Contagion of COVID-19 in the USA. Risk Manag Healthc Policy.

Čikaški stil citiranja

Chen, Ray-Ming. "Whether County Lockdown Could Deter the Contagion of COVID-19 in the USA." Risk Manag Healthc Policy 2021.

MLA način citiranja

Chen, Ray-Ming. "Whether County Lockdown Could Deter the Contagion of COVID-19 in the USA." Risk Manag Healthc Policy 2021.