Swanton, John R. 1940. Linguistic Material from the Tribes of Southern Texas and Northeastern Mexico. (Smithsonian Institution, Bureau of American Ethnology Bulletin, 127.) Washington, DC: United States Government Printing Office.
@book{sinnemakizeromarking-Swanton1940,
address = {Washington, DC},
author = {Swanton, John R.},
publisher = {United States Government Printing Office},
series = {Smithsonian Institution, Bureau of American Ethnology Bulletin},
title = {Linguistic Material from the Tribes of Southern Texas and Northeastern Mexico},
volume = {127},
year = {1940}
}