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).
Citazione stile Chigago Style (17a edizione)Marler, Penny Long, e C. Kirk Hadaway. ""Being Religious" or "Being Spiritual" in America: A Zero-sum Proposition? / Penny Long Marler. C. Kirk Hadaway." American Exceptionalism.(2010) .
Citatione MLA (8a ed.)Marler, Penny Long, e C. Kirk Hadaway. ""Being Religious" or "Being Spiritual" in America: A Zero-sum Proposition? / Penny Long Marler. C. Kirk Hadaway." American Exceptionalism.(2010), .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.