@article{Smock2000,
author = {Smock, P.J.},
title= {Cohabitation in the United States: An appraisal of Research Themes, Findings, and Implications},
year = {2000},
doi = {10.1146/annurev.soc.26.1.1},
journal = {Annual Review of Sociology},
volume = {26},
pages = {1--20},
}