Reference: Siebert 1945

Siebert, Frank T., Jr. 1945. Linguistic Classification of Catawba. International Journal of American Linguistics 11. 100–104, 211–218.

@article{siebert1945catawba,
  author  = {Siebert, Jr., Frank T.},
  journal = {International Journal of American Linguistics},
  pages   = {100–104, 211–218},
  title   = {Linguistic Classification of Catawba},
  volume  = {11},
  year    = {1945}
}