APA (7th ed.) Citation

United States. Department of Commerce and Labor. (1909). Testing of electrical measuring instruments. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of Commerce and Labor. Testing of Electrical Measuring Instruments. [Washington]: [publisher not identified], 1909.

MLA (9th ed.) Citation

United States. Department of Commerce and Labor. Testing of Electrical Measuring Instruments. [publisher not identified], 1909.

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