Hargreaves, M. W. M. (1957). Dry farming in the Northern Great Plains, 1900-1925. Harvard University Press.
Cita Chicago Style (17a ed.)Hargreaves, Mary W. M. Dry Farming in the Northern Great Plains, 1900-1925. Cambridge, Mass.: Harvard University Press, 1957.
Cita MLA (8a ed.)Hargreaves, Mary W. M. Dry Farming in the Northern Great Plains, 1900-1925. Harvard University Press, 1957.
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