APA način citiranja

Liu, F., Wang, M., & Zheng, M. (2021). Effects of COVID-19 lockdown on global air quality and health. Sci Total Environ.

Čikaški stil citiranja

Liu, Feng, Meichang Wang, i Meina Zheng. "Effects of COVID-19 Lockdown On Global Air Quality and Health." Sci Total Environ 2021.

MLA način citiranja

Liu, Feng, Meichang Wang, i Meina Zheng. "Effects of COVID-19 Lockdown On Global Air Quality and Health." Sci Total Environ 2021.