Ewers, J. C. (1955). The horse in Blackfoot indian culture: With comparative material from other western tribes. United States Government.
芝加哥风格引文Ewers, John C. The Horse in Blackfoot Indian Culture: With Comparative Material from Other Western Tribes. Washington: United States Government, 1955.
MLA引文Ewers, John C. The Horse in Blackfoot Indian Culture: With Comparative Material from Other Western Tribes. United States Government, 1955.
警告：这些引文格式不一定是100％准确.