@book{bellah2011religion,
  author    = {Bellah, Robert N.},
  title     = {Religion in Human Evolution: From the Paleolithic to the Axial Age},
  year      = {2011},
  publisher = {Harvard University Press},
  address   = {Cambridge, MA}
}
@book{eliade1978history,
  author    = {Eliade, Mircea},
  title     = {A History of Religious Ideas (Volumes 1--3)},
  year      = {1978},
  publisher = {University of Chicago Press},
  address   = {Chicago, IL}
}