@techreport{University of Essex
Institute for Social and Economic Research
NatCen Social Research2014,
author = {University of Essex and Institute for Social and Economic Research and NatCen Social Research},
title= {Understanding society: Waves 1–4, 2009–2013 [data collection]},
year = {2014},
doi = {10.5255/UKDA-SN-6614-6},
publisher = {UK Data Service},
address = {Colchester},
}