Cita APA

World Health Organisation. (1989). Health of the elderly World Health organisation. World Health Organisation.

Citación estilo Chicago

World Health Organisation. Health of the Elderly World Health Organisation. Geneva: World Health Organisation, 1989.

Cita MLA

World Health Organisation. Health of the Elderly World Health Organisation. World Health Organisation, 1989.

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