Standard practice for use of the international system of units (SI) :
(the modernized metric system)
APA Citation
American Society for Testing and Materials. (1993). Standard practice for use of the international system of units (SI): (the modernized metric system). Philadelphia, Pa.: ASTM.
MLA Citation
American Society for Testing and Materials. Standard Practice for Use of the International System of Units (SI): (the Modernized Metric System). Philadelphia, Pa.: ASTM, 1993.
Warning: These citations may not always be complete (especially for serials).