Lua APA (7ú heag.)
University of Kansas, Anderson, G. L., & Clark, J. G. (1971). The Frontier Challenge: Responses to the Trans-Mississippi West. University Press of Kansas.
Lua i Stíl Chicago (17ú heag.)
University of Kansas, George L. Anderson, agus John Garretson Clark. The Frontier Challenge: Responses to the Trans-Mississippi West. Lawrence: University Press of Kansas, 1971.
Lua MLA (9ú heag.)
University of Kansas, et al. The Frontier Challenge: Responses to the Trans-Mississippi West. University Press of Kansas, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.