APA (7th ed.) Citation

World Health Organization & World Health Organization. (1978). Induced abortion: Report of a WHO Scientific Group. World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization and World Health Organization. Induced Abortion: Report of a WHO Scientific Group. Geneva: World Health Organization, 1978.

MLA (9th ed.) Citation

World Health Organization and World Health Organization. Induced Abortion: Report of a WHO Scientific Group. World Health Organization, 1978.