APA (7th ed.) Citation

Thornton, M. K. (1949). Soil fertility removed in some crops ([Revision 2].). [Texas Agricultural Extension Service].

Chicago Style (17th ed.) Citation

Thornton, M. K. Soil Fertility Removed in Some Crops. [Revision 2]. [College Station, Texas]: [Texas Agricultural Extension Service], 1949.

MLA (9th ed.) Citation

Thornton, M. K. Soil Fertility Removed in Some Crops. [Revision 2]. [Texas Agricultural Extension Service], 1949.