APA (7th ed.) Citation

(1924). U.S. Government master specification for construction of built-up roofing, type 5TCS. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

U.S. Government Master Specification for Construction of Built-up Roofing, Type 5TCS. [Washington?]: U.S. Government Printing Office, 1924.

MLA (9th ed.) Citation

U.S. Government Master Specification for Construction of Built-up Roofing, Type 5TCS. U.S. Government Printing Office, 1924.