APA (7th ed.) Citation

United States. Bureau of Standards. (1939). Journal of Research of the National Bureau of Standards, Aug. 1939, Vol. 22, No. 4. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Standards. Journal of Research of the National Bureau of Standards, Aug. 1939, Vol. 22, No. 4. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Bureau of Standards. Journal of Research of the National Bureau of Standards, Aug. 1939, Vol. 22, No. 4. [s.n.], 1939.