Pearson, R. W., & Adams, F. (1967). Soil acidity and liming (1st edition.). Américan Society of Agronomy.
Cita Chicago Style (17a ed.)Pearson, Robert W., y Fred Adams. Soil Acidity and Liming. 1st edition. Madison, Wisconsin: Américan Society of Agronomy, 1967.
Cita MLA (8a ed.)Pearson, Robert W., y Fred Adams. Soil Acidity and Liming. 1st edition. Américan Society of Agronomy, 1967.
Precaución: Estas citas no son 100% exactas.