@techreport{Frey2021,
author = {Frey, W.H.},
title= {Mapping America’s diversity with the 2020 census},
year = {2021},
URL = {https://www.brookings.edu/research/mapping-americas-diversity-with-the-2020-census/},
publisher = {The Brookings Institution},
address = {Washington, D.C},
}