@incollection{opler1940a,
  address   = {New York},
  author    = {Opler, M. K.},
  booktitle = {Acculturation in Seven American Indian Tribes},
  editor    = {Linton, R.},
  key       = {Opler (1940a)},
  pages     = {119-203},
  title     = {The Southern Ute of Colorado},
  year      = {1940}
}