Ewers, J. C. 1958. The Blackfeet: Raiders on The Northwestern Plains. Norman: University of Oklahoma Press.
@book{ewers1958,
address = {Norman},
author = {Ewers, J. C.},
key = {Ewers (1958)},
publisher = {University of Oklahoma Press},
title = {The Blackfeet: Raiders on The Northwestern Plains},
year = {1958}
}