APA (7th ed.) Citation

World Health Organization. Regional Office for Europe. (1973). Chronic diseases. Worrld Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. Regional Office for Europe. Chronic Diseases. Copenhagen: Worrld Health Organization, 1973.

MLA (9th ed.) Citation

World Health Organization. Regional Office for Europe. Chronic Diseases. Worrld Health Organization, 1973.

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