Cita APA (7a ed.)
World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Sixty years of WHO in Europe. WHO Regional Office for Europe.
Cita Chicago Style (17a ed.)
World Health Organization. Regional Office for Europe y Inc ebrary. Sixty Years of WHO in Europe. Copenhagen: WHO Regional Office for Europe, 2010.
Cita MLA (9a ed.)
World Health Organization. Regional Office for Europe y Inc ebrary. Sixty Years of WHO in Europe. WHO Regional Office for Europe, 2010.
Precaución: Estas citas no son 100% exactas.