Cita APA (7a ed.)

World Health Organization, issuing body. (2017). Guidelines for drinking-water quality (Fourth edition incorporating the first addendum.). World Health Organization.

Cita Chicago Style (17a ed.)

World Health Organization, issuing body. Guidelines for Drinking-water Quality. Fourth edition incorporating the first addendum. Geneva: World Health Organization, 2017.

Cita MLA (9a ed.)

World Health Organization, issuing body. Guidelines for Drinking-water Quality. Fourth edition incorporating the first addendum. World Health Organization, 2017.