APA (7th ed.) Citation

National Safety Council. (1997). Supervisors' safety manual (9th ed.). The Council.

Chicago Style (17th ed.) Citation

National Safety Council. Supervisors' Safety Manual. 9th ed. Itasca, Ill.: The Council, 1997.

MLA (9th ed.) Citation

National Safety Council. Supervisors' Safety Manual. 9th ed. The Council, 1997.

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