Reference: Chafe 1976

Chafe, Wallace L. 1976. Siouan, Iroquoian, and Caddoan. In Native languages of the Americas, 527–572. Springer.

@incollection{chafe1976siouan,
  author    = {Chafe, Wallace L},
  booktitle = {Native languages of the Americas},
  pages     = {527–572},
  publisher = {Springer},
  title     = {Siouan, Iroquoian, and Caddoan},
  year      = {1976}
}