APA (7th ed.) Citation

Gray, A., & Wallace, G. A. (1947). Principles and practice of electrical engineering (6th ed.). McGraw-Hill Book Co..

Chicago Style (17th ed.) Citation

Gray, Alexander, and George Arthur Wallace. Principles and Practice of Electrical Engineering. 6th ed. New York: McGraw-Hill Book Co., 1947.

MLA (9th ed.) Citation

Gray, Alexander, and George Arthur Wallace. Principles and Practice of Electrical Engineering. 6th ed. McGraw-Hill Book Co., 1947.