Greene, A. C., & Avini, T. (1994). 900 miles on the Butterfield Trail. University of North Texas Press.

Greene, A. C., and Teresa Avini. 900 Miles on the Butterfield Trail. Denton, Tex.: University of North Texas Press, 1994.

Greene, A. C., and Teresa Avini. 900 Miles on the Butterfield Trail. University of North Texas Press, 1994.