BibTeX

@article{Leach1950,
  author   = {Leach, E.R.},
  journal  = {Oceania},
  pages    = {245-262},
  title    = {Primitive calendars},
  url      = {https://doi.org/10.1002/j.1834-4461.1950.tb00164.x},
  volume   = {20.4},
  year     = {1950},
  sections = {None}
}