APA (7th ed.) Citation

(1926). U.S. Government master specification for brick, fire-clay. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

U.S. Government Master Specification for Brick, Fire-clay. [Washington?]: U.S. Government Printing Office, 1926.

MLA (9th ed.) Citation

U.S. Government Master Specification for Brick, Fire-clay. U.S. Government Printing Office, 1926.