APA (7th ed.) Citation

Harrington, J. M., & Gill, F. S. (1987). Occupational health. Blackwell Scientific Pub.

Chicago Style (17th ed.) Citation

Harrington, J. M., and F. S. Gill. Occupational Health. Oxford: Blackwell Scientific Pub, 1987.

MLA (9th ed.) Citation

Harrington, J. M., and F. S. Gill. Occupational Health. Blackwell Scientific Pub, 1987.