APA (7th ed.) Citation

World Health Organization & World Health Organization. (1985). Guidelines for drinking-water quality (2nd ed.). World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization and World Health Organization. Guidelines for Drinking-water Quality. 2nd ed. Geneva: World Health Organization, 1985.

MLA (8th ed.) Citation

World Health Organization and World Health Organization. Guidelines for Drinking-water Quality. 2nd ed. World Health Organization, 1985.

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