APA (7th ed.) Citation

World Health Organization. (1990). The International drinking water supply and sanitation decade. World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. The International Drinking Water Supply and Sanitation Decade. Geneva: World Health Organization, 1990.

MLA (9th ed.) Citation

World Health Organization. The International Drinking Water Supply and Sanitation Decade. World Health Organization, 1990.

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