APA (7th ed.) Citation

United States. Bureau of Standards. (1926). Subject index of U.S. Government master specifications. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Standards. Subject Index of U.S. Government Master Specifications. [Washington]: GPO, 1926.

MLA (9th ed.) Citation

United States. Bureau of Standards. Subject Index of U.S. Government Master Specifications. GPO, 1926.

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