Cita APA

World Health Organization & International Association for the Study of Pain. (1998). Cancer pain relief and palliative care in children. World Health Organization.

Citación estilo Chicago

World Health Organization and International Association for the Study of Pain. Cancer Pain Relief and Palliative Care in Children. Geneva: World Health Organization, 1998.

Cita MLA

World Health Organization and International Association for the Study of Pain. Cancer Pain Relief and Palliative Care in Children. World Health Organization, 1998.