@inbook{Budig2004,
author = {Budig, M.J. and Folbre, N.},
title= {Measuring parental childcare time},
year = {2004},
editor = {Bittman, M.},
editor = {Folbre, N.},
booktitle = {Family time: The social organization of care},
address = {London},
publisher = {Routledge},
pages = {51--68},
}