@inbook{Therborn2014,
author = {Therborn, G.},
title= {Family systems of the world: Are they converging?},
year = {2014},
doi = {10.1002/9781118374085.ch1},
editor = {Treas, J.},
editor = {Scott, J.},
editor = {Richards, M.},
booktitle = {The Wiley Blackwell Companion to the sociology of families},
address = {Hoboken},
publisher = {Wiley},
pages = {1--19},
}