APA (7th ed.) Citation

Preston-Thomas, H. (1974). Evolution of the international practical temperature scale of 1968. American Society for Testing and Materials.

Chicago Style (17th ed.) Citation

Preston-Thomas, H. Evolution of the International Practical Temperature Scale of 1968. Philadelphia: American Society for Testing and Materials, 1974.

MLA (9th ed.) Citation

Preston-Thomas, H. Evolution of the International Practical Temperature Scale of 1968. American Society for Testing and Materials, 1974.

Warning: These citations may not always be 100% accurate.