(1982). North American tortoises: Conservation and ecology. Washington, D.C.: Fish and Wildlife Service.
Chicago Style CitationNorth American Tortoises: Conservation and Ecology. Washington, D.C.: Fish and Wildlife Service, 1982.
MLA CitationNorth American Tortoises: Conservation and Ecology. Washington, D.C.: Fish and Wildlife Service, 1982.
Warning: These citations may not always be 100% accurate.