Kaufman, Terrence. 2007. The native languages of South America. In Moseley, Christopher and Asher, R.E. (eds.), Atlas of the world's languages, 59–94. London: Routledge.
@incollection{kaufman2007native, address = {London}, author = {Kaufman, Terrence}, booktitle = {Atlas of the world's languages}, editor = {Moseley, Christopher and Asher, R.E.}, pages = {59–94}, publisher = {Routledge}, title = {The native languages of South America}, year = {2007} }