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} }