APA (7th ed.) Citation

Robinson, J. B. D. (1975). The soil nitrogen index and its calibration with crop performance to improve fertilizer efficiency on Arable soil. Commonwealth Agricultural Bureaux.

Chicago Style (17th ed.) Citation

Robinson, J. B. D. The Soil Nitrogen Index and Its Calibration with Crop Performance to Improve Fertilizer Efficiency on Arable Soil. Slough, England: Commonwealth Agricultural Bureaux, 1975.

MLA (9th ed.) Citation

Robinson, J. B. D. The Soil Nitrogen Index and Its Calibration with Crop Performance to Improve Fertilizer Efficiency on Arable Soil. Commonwealth Agricultural Bureaux, 1975.