Marler, P. L., & Hadaway, C. K. "Being religious" or "being spiritual" in America: A zero-sum proposition? / Penny Long Marler. C. Kirk Hadaway. American Exceptionalism.(2010).
Chicago-referens (17:e uppl.)Marler, Penny Long, och C. Kirk Hadaway. ""Being Religious" or "Being Spiritual" in America: A Zero-sum Proposition? / Penny Long Marler. C. Kirk Hadaway." American Exceptionalism.(2010) .
MLA-referens (8:e uppl.)Marler, Penny Long, och C. Kirk Hadaway. ""Being Religious" or "Being Spiritual" in America: A Zero-sum Proposition? / Penny Long Marler. C. Kirk Hadaway." American Exceptionalism.(2010), .
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.