APA (7th ed.) Citation

Ashton, I., & Gill, F. (1992). Monitoring for health hazards at work (2nd ed.).

Chicago Style (17th ed.) Citation

Ashton, Indira, and F.S Gill. Monitoring for Health Hazards at Work. 2nd ed. Oxford : Blackwell Scientific Pub, 1992.

MLA (9th ed.) Citation

Ashton, Indira, and F.S Gill. Monitoring for Health Hazards at Work. 2nd ed. 1992.