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} }