@misc{Ruggles2010,
author = {Ruggles, S. and Alexander, J.T. and Genadek, K. and Goeken, R. and Schroeder, M.B. and Sobek, M.},
title= {Integrated public use microdata series, international: Version 5.0 [machine-readable database]},
year = {2010},
URL = {https://ipums.org},
publisher = {Minnesota Population Center [producer and distributer]},
}