@book{Horowitz2019,
author = {Horowitz, J.M. and Graf, N. and Livingston, G.},
title= {Marriage and cohabitation in the U.S},
year = {2019},
URL = {https://www.pewsocialtrends.org/2019/11/06/how-married-and-cohabiting-adults-see-their-relationships/#for-the-most-part-married-adults-are-more-satisfied-with-specific-aspects-of-their-relationship},
address = {Washington, D.C.},
publisher = {Pew Research Center},
}