BibTex format
@article{Shi:2021:10.1126/sciadv.abd6696,
author = {Shi, Z and Song, C and Liu, B and Lu, G and Xu, J and Tuan, VV and Elliott, RJR and Li, W and Bloss, WJ and Harrison, RM},
doi = {10.1126/sciadv.abd6696},
journal = {SCIENCE ADVANCES},
title = {Abrupt but smaller than expected changes in surface air quality attributable to COVID-19 lockdowns},
url = {http://dx.doi.org/10.1126/sciadv.abd6696},
volume = {7},
year = {2021}
}