@inbook{Ellwood2004,
author = {Ellwood, D.T. and Jencks, C.},
title= {The Uneven Spread of Single Parent Families: What Do We Know? Where Do We Look for Answers?},
year = {2004},
editor = {Neckerman, K.M.},
booktitle = {Social Inequality},
address = {New York},
publisher = {Russell Sage Foundation},
pages = {3--77},
}