Não informado. (1877). Contributions to North American Ethnology. Geographical and Geological Survey of the Rocky Mountain Region.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Contributions to North American Ethnology. Washington: Geographical and Geological Survey of the Rocky Mountain Region, 1877.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Contributions to North American Ethnology. Geographical and Geological Survey of the Rocky Mountain Region, 1877.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.