United States. Bureau of Chemistry and Soils. (1934). Fertiliser studies with sugar beets in Arkansas Valley area, Colo., 1921-28; by L. A. Hurst and A. W. Skuderna. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Chemistry and Soils. Fertiliser Studies with Sugar Beets in Arkansas Valley Area, Colo., 1921-28; by L. A. Hurst and A. W. Skuderna. [Washington]: [s.n.], 1934.
MLA (9th ed.) CitationUnited States. Bureau of Chemistry and Soils. Fertiliser Studies with Sugar Beets in Arkansas Valley Area, Colo., 1921-28; by L. A. Hurst and A. W. Skuderna. [s.n.], 1934.
Warning: These citations may not always be 100% accurate.