@misc{Lipka2017,
author = {Lipka, M. and Hackett, C.},
title= {Why Muslims are the world’s fastest growing religious group},
year = {2017},
URL = {http://www.pewresearch.org/fact-tank/2017/04/06/why-muslims-are-the-worlds-fastest-growing-religious-group},
publisher = {Pew Research Center},
address = {Washington, D.C.},
}