APA (7th ed.) Citation
British Sulphur Corporation, ltd. Phosphorus and potassium. British Sulphur Corporation, ltd.
Chicago Style (17th ed.) Citation
British Sulphur Corporation, ltd. Phosphorus and Potassium. London: British Sulphur Corporation, ltd.
MLA (9th ed.) Citation
British Sulphur Corporation, ltd. Phosphorus and Potassium. British Sulphur Corporation, ltd.
Warning: These citations may not always be 100% accurate.