Grey, Z., & Duer, D. (1994). Riders of the purple sage (Authorized ed.). University of Nebraska Press.
Chicago Style (17th ed.) CitationGrey, Zane, and Douglas Duer. Riders of the Purple Sage. Authorized ed. Lincoln: University of Nebraska Press, 1994.
MLA (8th ed.) CitationGrey, Zane, and Douglas Duer. Riders of the Purple Sage. Authorized ed. University of Nebraska Press, 1994.
Warning: These citations may not always be 100% accurate.