@article{Bianchi2011,
author = {Bianchi, S.M.},
title= {Family change and time allocation in American families},
year = {2011},
doi = {10.1177/0002716211413731},
journal = {Annals of the American Academy of Political and Social Science},
volume = {638},
number = {1},
pages = {21‒44},
}