APA (7th ed.) Citation

(1926). U.S. Government master specification for sodium carbonate, granular (monohydrate crystals). U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

U.S. Government Master Specification for Sodium Carbonate, Granular (monohydrate Crystals). [Washington?]: U.S. Government Printing Office, 1926.

MLA (9th ed.) Citation

U.S. Government Master Specification for Sodium Carbonate, Granular (monohydrate Crystals). U.S. Government Printing Office, 1926.