Thornton, M. K. (1949). Soil fertility removed in some crops ([Revision 2].). [Texas Agricultural Extension Service].
Chicago Style (17th ed.) CitationThornton, M. K. Soil Fertility Removed in Some Crops. [Revision 2]. [College Station, Texas]: [Texas Agricultural Extension Service], 1949.
MLA (9th ed.) CitationThornton, M. K. Soil Fertility Removed in Some Crops. [Revision 2]. [Texas Agricultural Extension Service], 1949.
Warning: These citations may not always be 100% accurate.