APA (7th ed.) Citation

(1926). U.S. Government master specification for plumbing fixtures (for land use). U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

U.S. Government Master Specification for Plumbing Fixtures (for Land Use). [Washington?]: U.S. Government Printing Office, 1926.

MLA (9th ed.) Citation

U.S. Government Master Specification for Plumbing Fixtures (for Land Use). U.S. Government Printing Office, 1926.