Wheeler, A. & M. Wheeler. 1962. Siona Phonemics. In Elson, Benjamin (ed.), Studies in Ecuadorian Indian Languages 1, 96–111. Norman: Summer Institute of Linguistics and University of Oklahoma.
@incollection{wheeler1962,
address = {Norman},
author = {Wheeler, A. and Wheeler, M.},
booktitle = {Studies in Ecuadorian Indian Languages 1},
editor = {Elson, Benjamin},
pages = {96–111},
publisher = {Summer Institute of Linguistics and University of Oklahoma},
title = {Siona Phonemics},
year = {1962}
}