Cita APA

World Health Organization. (2011). Atlas of headache disorders and resources in the world 2011. World Health Organization.

Citación estilo Chicago

World Health Organization. Atlas of Headache Disorders and Resources in the World 2011. Geneva, Switzerland: World Health Organization, 2011.

Cita MLA

World Health Organization. Atlas of Headache Disorders and Resources in the World 2011. World Health Organization, 2011.

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