BibTeX

@article{Keesing1968,
  author   = {Keesing, Roger M},
  journal  = {Ethnology},
  pages    = {59-70},
  title    = {Step kin, in-laws, and ethnoscience},
  url      = {https://doi.org/10.2307/3772809},
  volume   = {7},
  year     = {1968},
  sections = {None}
}