Gifford, E. W. 1933. The Cocopa. University of California Publications in American Archaeology and Ethnology 31. 257-334.
@article{gifford1933,
author = {Gifford, E. W.},
journal = {University of California Publications in American Archaeology and Ethnology},
key = {Gifford (1933)},
pages = {257-334},
title = {The Cocopa},
volume = {31},
year = {1933}
}