@inbook{Bengtson1990,
author = {Bengtson, V.L. and Rosenthal, C. and Burton, L.},
title= {Families and aging: Diversity and heterogeneity},
year = {1990},
editor = {Binstock, R.H.},
editor = {George, L.K.},
booktitle = {The handbook of aging and the social sciences},
address = {New York},
publisher = {Academic Press},
pages = {263--287},
}