National electrical safety code for examination, trial, and constructive criticism.
Issued November 15, 1916.

APA Citation

United States. National Bureau of Standards. (1916). National electrical safety code for examination, trial, and constructive criticism. 2d. ed. Washington: Govt. print. off..

MLA Citation

United States. National Bureau of Standards. National Electrical Safety Code for Examination, Trial, And Constructive Criticism. 2d. ed. Washington: Govt. print. off., 1916.