United States. Bureau of Crop Estimates. (1912). Railroads and farming, some influences affecting progress of agriculture. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Crop Estimates. Railroads and Farming, Some Influences Affecting Progress of Agriculture. [Washington]: GPO, 1912.
MLA (9th ed.) CitationUnited States. Bureau of Crop Estimates. Railroads and Farming, Some Influences Affecting Progress of Agriculture. GPO, 1912.
Warning: These citations may not always be 100% accurate.