Discussion of the national electrical safety code
[electronic resource]
To accompany the 3d ed. of the code. October 13, 1920.

APA Citation

United States. National Bureau of Standards. (1921). Discussion of the national electrical safety code: To accompany the 3d ed. of the code. October 13, 1920. Washington: Govt. Print. Off..

MLA Citation

United States. National Bureau of Standards. Discussion of the National Electrical Safety Code: To Accompany the 3d Ed. of the Code. October 13, 1920. Washington: Govt. Print. Off., 1921.

Warning: These citations may not always be complete (especially for serials).