|<ref name="zuckerman">{{cita pubblicazione|cognome1=Zuckerman|nome1=Phil|linkautore1=Phil Zuckerman|anno=2007|annooriginale=First printed 2006|curatore1=Michael Martin|editor1-link=Michael Martin (philosopher)|titolo=Atheism: Contemporary Rates and Patterns|url=http://pitweb.pitzer.edu/academics/wp-content/uploads/sites/38/2014/12/FAC-Zuckerman-Cambridge-Companion.pdf|rivista=The Cambridge Companion to Atheism|tipo=Essay collection|trasmissione=Cambridge Companions to Philosophy, Religion and Culture|città=Cambridge, UK|editore=[[Cambridge University Press]]|pp=47–66|doi=10.1017/CCOL0521842700.004|lccn=2006005949|accesso=14 novembre 2018|urlarchivio=https://web.archive.org/web/20150905233011/http://pitweb.pitzer.edu/academics/wp-content/uploads/sites/38/2014/12/FAC-Zuckerman-Cambridge-Companion.pdf|dataarchivio=5 2006005949settembre 2015|urlmorto=sì}}</ref>