@inbook{Sorenson1998,
author = {Sorenson, E. },
title= {Nonresident Fathers: What We Know and What’s Left to Learn? },
year = {1998},
editor = {Child Trends},
booktitle = {Nurturing Fatherhood: Improving Data and Research on Male Fertility, Family Formation, and Fatherhood},
address = {Washington, D.C},
publisher = {Federal Interagency Forum on Child and Family Statistics },
}