APA (7th ed.) Citation

National Phosphorus Research Work Group & United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. (1950). Summary of phosphorus research in the United States relating to soils and fertilizers. [National Soil and Fertilizer Research Committee, Soils Divisions, Bureau of Plant Industry, Soils and Agricultural Engineering].

Chicago Style (17th ed.) Citation

National Phosphorus Research Work Group and Soils United States. Bureau of Plant Industry. Summary of Phosphorus Research in the United States Relating to Soils and Fertilizers. [Beltsville, Md.]: [National Soil and Fertilizer Research Committee, Soils Divisions, Bureau of Plant Industry, Soils and Agricultural Engineering], 1950.

MLA (9th ed.) Citation

National Phosphorus Research Work Group and Soils United States. Bureau of Plant Industry. Summary of Phosphorus Research in the United States Relating to Soils and Fertilizers. [National Soil and Fertilizer Research Committee, Soils Divisions, Bureau of Plant Industry, Soils and Agricultural Engineering], 1950.