@book{Smith2016,
author = {Smith, T.W. and Hout, M. and Marsden, P.V.},
title= {General Social Survey 1972–2014},
year = {2016},
doi = {10.3886/ICPSR36319.v2},
address = {Ann Arbor},
publisher = {Inter-University Consortium for Political and Social Research},
}