@misc{indiciaecc8af997a86e,
  title = {Geographic distribution: Bufo cognatus},
  author = {H. M. Smith and G. A. Hammerson and D. Chiszar and Cindy Ramotnik},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70128547},
  note = {Source identifier: 70128547}
}