APA (7th ed.) Citation

World Health Organization. (2021). Guidelines on recreational water quality: Volume 1, Coastal and fresh waters. World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. Guidelines on Recreational Water Quality: Volume 1, Coastal and Fresh Waters. Geneva: World Health Organization, 2021.

MLA (9th ed.) Citation

World Health Organization. Guidelines on Recreational Water Quality: Volume 1, Coastal and Fresh Waters. World Health Organization, 2021.