APA (7th ed.) Citation

International Labour Office. (1977). International directory of occupational safety and health services and institutions (3rd ed.). International Labour Office.

Chicago Style (17th ed.) Citation

International Labour Office. International Directory of Occupational Safety and Health Services and Institutions. 3rd ed. Geneva: International Labour Office, 1977.

MLA (8th ed.) Citation

International Labour Office. International Directory of Occupational Safety and Health Services and Institutions. 3rd ed. International Labour Office, 1977.