Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Cooper, W. Fordham. Electrical Safety Engineering. 2nd ed. London [etc.]: Butterworths, 1986.

Cita MLA (9a ed.)

Cooper, W. Fordham. Electrical Safety Engineering. 2nd ed. Butterworths, 1986.