APA Edition Citation

Ridley, J., & Channing, J. (2003). Safety at work (6th ed.). Butterworth- Heinemann.

Chicago Edition Citation

Ridley, John, and John Channing. Safety at Work. 6th ed. Amsterdam: Butterworth- Heinemann, 2003.

MLA Edition Citation

Ridley, John, and John Channing. Safety at Work. 6th ed. Butterworth- Heinemann, 2003.

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