Croft, T., & Hall, G. H. (1939). Practical electric illumination and signal-wiring methods (3d ed.). McGraw-Hill book company, inc..
Chicago Style (17th ed.) CitationCroft, Terrell, and George H. Hall. Practical Electric Illumination and Signal-wiring Methods. 3d ed. New York, London: McGraw-Hill book company, inc., 1939.
MLA (9th ed.) CitationCroft, Terrell, and George H. Hall. Practical Electric Illumination and Signal-wiring Methods. 3d ed. McGraw-Hill book company, inc., 1939.
Warning: These citations may not always be 100% accurate.