APA
Fletcher J., National Bureau of Economic Research & Kumar S. (2013). Religion and risky health behaviors among U.S. adolescents and adults. Cambridge: NBER.
Chicago
Fletcher Jason, National Bureau of Economic Research and Kumar Sanjeev. 2013. Religion and risky health behaviors among U.S. adolescents and adults. Cambridge: NBER.
Harvard
Fletcher J., National Bureau of Economic Research and Kumar S. (2013). Religion and risky health behaviors among U.S. adolescents and adults. Cambridge: NBER.
MLA
Fletcher Jason, National Bureau of Economic Research and Kumar Sanjeev. Religion and risky health behaviors among U.S. adolescents and adults. Cambridge: NBER. 2013.