APA (7th ed.) Citation

World Health Organization, United Nations Development Programme, & Reid, E. (1998). Cancer pain relief and palliative care in children. World Health Organization.

Chicago Style (17th ed.) Citation

World Health Organization, United Nations Development Programme, and Elizabeth Reid. Cancer Pain Relief and Palliative Care in Children. Geneva: World Health Organization, 1998.

MLA (8th ed.) Citation

World Health Organization, et al. Cancer Pain Relief and Palliative Care in Children. World Health Organization, 1998.