APA (7th ed.) Citation

(1971). International standards for drinking-water (3rd ed.). World Health Organization.

Chicago Style (17th ed.) Citation

International Standards for Drinking-water. 3rd ed. Geneva: World Health Organization, 1971.

MLA (8th ed.) Citation

International Standards for Drinking-water. 3rd ed. World Health Organization, 1971.

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