@article{Stewart2003,
author = {Stewart, S.D. and Manning, W.D. and Smock, P.J.},
title= {Union formation among men in the US: Does having prior children matter?},
year = {2003},
doi = {10.1111/j.1741-3737.2003.00090.x},
journal = {Journal of Marriage and Family},
volume = {65},
number = {1},
pages = {90--104},
}