Cita APA

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

Citación estilo Chicago

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

Cita MLA

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