Cita APA (7th ed.)
University of Kansas, Anderson, G. L., & Clark, J. G. (1971). The Frontier Challenge: Responses to the Trans-Mississippi West. University Press of Kansas.
Cita Chicago (17th ed.)
University of Kansas, George L. Anderson, i John Garretson Clark. The Frontier Challenge: Responses to the Trans-Mississippi West. Lawrence: University Press of Kansas, 1971.
Cita MLA (9th ed.)
University of Kansas, et al. The Frontier Challenge: Responses to the Trans-Mississippi West. University Press of Kansas, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.