@article{Lichter2002,
author = {Lichter, D.T. and Shanahan, M.J. and Gardner, E.L.},
title= {Helping others? The effects of childhood poverty and family instability on prosocial behavior},
year = {2002},
doi = {10.1177/0044118X02034001004},
volume = {34},
number = {1},
pages = {89--119},
}