Cita APA (7a ed.)

World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Health and the environment in Europe: Progress assesment. WHO Regional Office for Europe.

Cita Chicago Style (17a ed.)

World Health Organization. Regional Office for Europe y Inc ebrary. Health and the Environment in Europe: Progress Assesment. Copenhagen: WHO Regional Office for Europe, 2010.

Cita MLA (9a ed.)

World Health Organization. Regional Office for Europe y Inc ebrary. Health and the Environment in Europe: Progress Assesment. WHO Regional Office for Europe, 2010.