Cita APA

World Health Organization. (2011). Guidelines for drinking-water quality (4th.). World Health Organization.

Citación estilo Chicago

World Health Organization. Guidelines for Drinking-water Quality. 4th. Geneva, Switzerland: World Health Organization, 2011.

Cita MLA

World Health Organization. Guidelines for Drinking-water Quality. 4th. World Health Organization, 2011.

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