APA (7th ed.) Citation

(1929). U.S. Government master specifications. [publisher not identified].

Chicago Style (17th ed.) Citation

U.S. Government Master Specifications. Washington, D.C.: [publisher not identified], 1929.

MLA (9th ed.) Citation

U.S. Government Master Specifications. [publisher not identified], 1929.

Warning: These citations may not always be 100% accurate.