APA (7th ed.) Citation

Cooper, W. F. (1986). Electrical safety engineering (2. ed.). Butterworth.

Chicago Style (17th ed.) Citation

Cooper, William F. Electrical Safety Engineering. 2. ed. London u.a: Butterworth, 1986.

MLA (9th ed.) Citation

Cooper, William F. Electrical Safety Engineering. 2. ed. Butterworth, 1986.