@inbook{Hoffman1982,
author = {Hoffman, L.W. and Manis, J.D.},
title= {The value of children in the United States},
year = {1982},
editor = {Nye, F.I.},
booktitle = {Family relationships: Rewards and costs},
address = {Beverly Hills, CA},
publisher = {Sage Publications},
pages = {143--170},
}