BibTeX

@article{BulmerandTyler1968,
  author   = {Bulmer, Ralph N. H. & Michael J. Tyler},
  journal  = {Journal of the Polynesian Society},
  pages    = {621-639},
  title    = {Karam classification of frogs},
  url      = {https://www.jstor.org/stable/20704577},
  volume   = {77},
  year     = {1968},
  sections = {None}
}