Shantz, H. L. (1911). Natural vegetation as an indicator of the capabilities of land for crop production in the great plains area. Department of Agriculture.
Chicago Style (17th ed.) CitationShantz, H. L. Natural Vegetation as an Indicator of the Capabilities of Land for Crop Production in the Great Plains Area. Washington: Department of Agriculture, 1911.
MLA (9th ed.) CitationShantz, H. L. Natural Vegetation as an Indicator of the Capabilities of Land for Crop Production in the Great Plains Area. Department of Agriculture, 1911.