APA (7th ed.) Citation

Ridley, J. R., & Channing, J. (2008). Safety at work (7th ed.). Elsevier/Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Ridley, John R., and John Channing. Safety at Work. 7th ed. Amsterdam Boston London: Elsevier/Butterworth-Heinemann, 2008.

MLA (9th ed.) Citation

Ridley, John R., and John Channing. Safety at Work. 7th ed. Elsevier/Butterworth-Heinemann, 2008.

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