APA (7th ed.) Citation

(1918). Radio instruments and measurements. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Radio Instruments and Measurements. [Washington?]: U.S. Government Printing Office, 1918.

MLA (9th ed.) Citation

Radio Instruments and Measurements. U.S. Government Printing Office, 1918.

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