APA (7th ed.) Citation

World Health Organization. (2002). Helminth control in school-age children: A guide for managers of control programmes (Segunda edición.). Word Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. Helminth Control in School-age Children: A Guide for Managers of Control Programmes. Segunda edición. Geneva: Word Health Organization, 2002.

MLA (8th ed.) Citation

World Health Organization. Helminth Control in School-age Children: A Guide for Managers of Control Programmes. Segunda edición. Word Health Organization, 2002.