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}
}