@article{Smock2004,
author = {Smock, P.J. and Manning, W.D.},
title= {Living Together Unmarried in the United States: Demographic Perspectives and Implications for Family Policy},
year = {2004},
doi = {10.1111/j.0265-8240.2004.00164.x},
journal = {Law and Policy},
volume = {26},
number = {1},
pages = {87--117},
}