APA (7th ed.) Citation

(1927). U.S. Government master specification for tile, hollow, clay, load-bearing wall. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

U.S. Government Master Specification for Tile, Hollow, Clay, Load-bearing Wall. [Washington?]: U.S. Government Printing Office, 1927.

MLA (9th ed.) Citation

U.S. Government Master Specification for Tile, Hollow, Clay, Load-bearing Wall. U.S. Government Printing Office, 1927.