BibTeX

@article{Hays1976,
  author   = {Hays, Terence E.},
  journal  = {American Ethnologist},
  pages    = {489-507},
  title    = {An empirical method for the identification of covert categories in ethnobiology},
  url      = {https://www.jstor.org/stable/643768},
  volume   = {3.3},
  year     = {1976},
  sections = {None}
}