APA (7th ed.) Citation

British Sulphur Corporation, ltd. (1979). World guide to fertilizer processes and constructors (6th ed.). The Corporation.

Chicago Style (17th ed.) Citation

British Sulphur Corporation, ltd. World Guide to Fertilizer Processes and Constructors. 6th ed. London (25 Wilton Rd, SW1V 1NH): The Corporation, 1979.

MLA (9th ed.) Citation

British Sulphur Corporation, ltd. World Guide to Fertilizer Processes and Constructors. 6th ed. The Corporation, 1979.