@techreport{Cohn2013,
author = {Cohn, D.},
title= {Love and marriage},
year = {2013},
URL = {https://www.pewresearch.org/social-trends/2013/02/13/love-and-marriage/},
publisher = {Pew Research Center},
address = {Washington, D.C},
institution = {Social and Demographic Trends},
}