APA (7th ed.) Citation
(2011). Guidelines for drinking-water quality (4th ed.). WHO.
Chicago Style (17th ed.) Citation
Guidelines for Drinking-water Quality. 4th ed. Geneva: WHO, 2011.
MLA (9th ed.) Citation
Guidelines for Drinking-water Quality. 4th ed. WHO, 2011.
Warning: These citations may not always be 100% accurate.