Cita APA (7a ed.)

World Health Organization. Regional Office for Europe & Ziglio, E. (2003). Health systems confront poverty. WHO Regional Office for Europe.

Cita Chicago Style (17a ed.)

World Health Organization. Regional Office for Europe y Erio Ziglio. Health Systems Confront Poverty. Copenhagen: WHO Regional Office for Europe, 2003.

Cita MLA (8a ed.)

World Health Organization. Regional Office for Europe y Erio Ziglio. Health Systems Confront Poverty. WHO Regional Office for Europe, 2003.