APA (7th ed.) Citation

Croft, T. W., & Hall, G. (1939). Practical electric illumination and signal-wiring methods (3rd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Croft, Terrell Williams, and George Hall. Practical Electric Illumination and Signal-wiring Methods. 3rd ed. New York: McGraw-Hill, 1939.

MLA (9th ed.) Citation

Croft, Terrell Williams, and George Hall. Practical Electric Illumination and Signal-wiring Methods. 3rd ed. McGraw-Hill, 1939.