@inbook{Ermisch2001,
author = {Ermisch, J.},
title= {Cohabitation and childbearing outside marriage in Britain},
year = {2001},
editor = {Wu, L.L.},
editor = {Wolfe, B.},
booktitle = {Out of wedlock: Causes and consequences of nonmarital fertility.},
address = {New York},
publisher = {Russell Sage Foundation},
}