@article{Ruggles2003,
author = {Ruggles, S and Brower, S.},
title= {Measurement of household and family composition in the United States, 1850-2000},
year = {2003},
doi = {10.1111/j.1728-4457.2003.00073.x},
journal = {Population and Development Review },
volume = {29},
number = {1},
pages = {73−101},
}