Turtles of the World: Phylogenetic systematics of North American tortoises (genus Gopherus): evidence for their classification. In: R. B. Bury and D. J. Germano (eds.), Biology of North American tortoises, pp. 7-32. U. S. Fish Wildl. Serv. Res. Report 13.

Authors(s)	Crumly, C. R.
Year	1994
Title	Phylogenetic systematics of North American tortoises (genus Gopherus): evidence for their classification. In: R. B. Bury and D. J. Germano (eds.), Biology of North American tortoises, pp. 7-32. U. S. Fish Wildl. Serv. Res. Report 13.