@article{Hoffman1993a,
author = {Hoffman, S.D. and Foster, E.M. and Furstenberg, F.F.Jr.},
title= {Reevaluating the costs of teenage childbearing},
year = {1993a},
doi = {10.2307/2061859},
journal = {Demography},
volume = {30},
number = {1},
pages = {1--13},
}