University of Kansas, Anderson, G. L., & Clark, J. G. (1971). The Frontier Challenge: Responses to the Trans-Mississippi West. University Press of Kansas.
芝加哥风格引文University of Kansas, George L. Anderson, 与 John Garretson Clark. The Frontier Challenge: Responses to the Trans-Mississippi West. Lawrence: University Press of Kansas, 1971.
MLA引文University of Kansas, et al. The Frontier Challenge: Responses to the Trans-Mississippi West. University Press of Kansas, 1971.
警告:这些引文格式不一定是100%准确.