@article{Blackwell2004,
author = {Blackwell, D.L. and Lichter, D.T. },
title= {Homogamy among dating, cohabiting, and married couples},
year = {2004},
doi = {10.1111/j.1533-8525.2004.tb02311.x},
journal = {The Sociological Quarterly},
volume = {45},
number = {4},
pages = {719--737},
}