Cita APA (7a ed.)

Radio instruments and measurements: Circular no. 74 of the bureau of standards Department of Commerce Washington, D. C.

Cita Chicago Style (17a ed.)

Radio Instruments and Measurements: Circular No. 74 of the Bureau of Standards Department of Commerce Washington, D. C. New York : Wireless Press Inc., 1920.

Cita MLA (8a ed.)

Radio Instruments and Measurements: Circular No. 74 of the Bureau of Standards Department of Commerce Washington, D. C.