APA (7th ed.) Citation

United States. Bureau of Standards. (1921). Technical news bulletin. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Standards. Technical News Bulletin. [Washington]: [publisher not identified], 1921.

MLA (9th ed.) Citation

United States. Bureau of Standards. Technical News Bulletin. [publisher not identified], 1921.

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