APA (7th ed.) Citation

Walgate Robert. (2002). One good decision at the Earth Summit: To improve sanitation. The World Health Organization.

Chicago Style (17th ed.) Citation

Walgate Robert. One Good Decision at the Earth Summit: To Improve Sanitation. The World Health Organization, 2002.

MLA (9th ed.) Citation

Walgate Robert. One Good Decision at the Earth Summit: To Improve Sanitation. The World Health Organization, 2002.

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