@book{Ruggles2021,
author = {Ruggles, S. and Flood, S. and Foster, S. and Goeken, R. and Pacas, J. and Schouweiler, M. and Sobek, M.},
title= {Integrated Public Use Microdata Series USA: Version 11.0 [dataset},
year = {2021},
doi = {10.18128/D010.V11.0},
address = {Minneapolis, MN},
publisher = {IPUMS},
}