APA (7th ed.) Citation

World Health Organization, ProQuest (Firm), & Schmoll, O. (2006). Protecting groundwater for health: Managing the quality of drinking-water sources. IWA Pub..

Chicago Style (17th ed.) Citation

World Health Organization, ProQuest (Firm), and Oliver Schmoll. Protecting Groundwater for Health: Managing the Quality of Drinking-water Sources. London: IWA Pub., 2006.

MLA (9th ed.) Citation

World Health Organization, et al. Protecting Groundwater for Health: Managing the Quality of Drinking-water Sources. IWA Pub., 2006.

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