United States. Soil Conservation Service, United States. Department of Agriculture, & South Dakota State College of Agriculture and Mechanic Arts. Agricultural Extension Service. (1935). Dakota zephyr. Soil Conservation Project No. 33, U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service, United States. Department of Agriculture, and South Dakota State College of Agriculture and Mechanic Arts. Agricultural Extension Service. Dakota Zephyr. Huron, S.D.: Soil Conservation Project No. 33, U.S. Dept. of Agriculture, 1935.
MLA (9th ed.) CitationUnited States. Soil Conservation Service, et al. Dakota Zephyr. Soil Conservation Project No. 33, U.S. Dept. of Agriculture, 1935.
Warning: These citations may not always be 100% accurate.