APA (7th ed.) Citation

World Health Organization. (1997). Polio: The beginning of the end. World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. Polio: The Beginning of the End. Geneva: World Health Organization, 1997.

MLA (9th ed.) Citation

World Health Organization. Polio: The Beginning of the End. World Health Organization, 1997.

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