APA (7th ed.) Citation

World Health Organization. (2012). Guidance on prevention of viral hepatitis B and C among people who inject drugs. World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. Guidance on Prevention of Viral Hepatitis B and C Among People Who Inject Drugs. [Place of publication not identified]: World Health Organization, 2012.

MLA (9th ed.) Citation

World Health Organization. Guidance on Prevention of Viral Hepatitis B and C Among People Who Inject Drugs. World Health Organization, 2012.