Cita APA (7a ed.)

World Health Organization. (2011). Helminth control in school-age children: A guide for managers of control programmes (2nd.). World Health Organization.

Cita Chicago Style (17a ed.)

World Health Organization. Helminth Control in School-age Children: A Guide for Managers of Control Programmes. 2nd. 2011: World Health Organization, 2011.

Cita MLA (8a ed.)

World Health Organization. Helminth Control in School-age Children: A Guide for Managers of Control Programmes. 2nd. World Health Organization, 2011.