@inbook{Blake1987,
author = {Blake, J.},
title= {Differential parental investment: Its effects on child quality and status attainment},
year = {1987},
editor = {Lancaster, J.B.},
editor = {Altmann, J.},
editor = {Rossi, A.S.},
editor = {Sherrod, L.R.},
booktitle = {Parenting across the life span},
address = {New York},
publisher = {Aldine de Gruyter},
pages = {351--375},
}