APA Citation

Ridley, J. R. (1986). Safety at work (2nd ed.). London ; Boston: Butterworths.

Chicago Style Citation

Ridley, John R. Safety At Work. 2nd ed. London ; Boston: Butterworths, 1986.

MLA Citation

Ridley, John R. Safety At Work. 2nd ed. London ; Boston: Butterworths, 1986.

Warning: These citations may not always be 100% accurate.