Turner, J. (1941). Commercial fertilizers in Kentucky in 1940. Lexington, Kentucky : Kentucky Agricultural Experiment Station, University of Kentucky.
Citação do estilo Chicago (17ª ed.)Turner, J.D. Commercial Fertilizers in Kentucky in 1940. Lexington, Kentucky : Kentucky Agricultural Experiment Station, University of Kentucky, 1941.
Citação MLA (8ª ed.)Turner, J.D. Commercial Fertilizers in Kentucky in 1940. Lexington, Kentucky : Kentucky Agricultural Experiment Station, University of Kentucky, 1941.
Citação IICA/CATIETurner, J. 1941. Commercial fertilizers in Kentucky in 1940. Lexington, Kentucky : Kentucky Agricultural Experiment Station, University of Kentucky.