American Society for Testing and Materials. (1993). Standard practice for use of the international system of units (SI): (the modernized metric system). ASTM.
Chicago Style (17th ed.) CitationAmerican Society for Testing and Materials. Standard Practice for Use of the International System of Units (SI): (the Modernized Metric System). Philadelphia, Pa.: ASTM, 1993.
MLA (9th ed.) CitationAmerican Society for Testing and Materials. Standard Practice for Use of the International System of Units (SI): (the Modernized Metric System). ASTM, 1993.
Warning: These citations may not always be 100% accurate.