APA (7th ed.) Citation

Proctor, N. H., & Hughes, J. P. (1978). Chemical hazards of the workplace. Lippincott.

Chicago Style (17th ed.) Citation

Proctor, Nick H., and James P. Hughes. Chemical Hazards of the Workplace. Philadelphia: Lippincott, 1978.

MLA (9th ed.) Citation

Proctor, Nick H., and James P. Hughes. Chemical Hazards of the Workplace. Lippincott, 1978.