APA (7th ed.) Citation

World Health Organization Regional Office for Europe. (1987). Air quality guidelines for Europe. WHO Regional Publications.

Chicago Style (17th ed.) Citation

World Health Organization Regional Office for Europe. Air Quality Guidelines for Europe. Copenhagen: WHO Regional Publications, 1987.

MLA (8th ed.) Citation

World Health Organization Regional Office for Europe. Air Quality Guidelines for Europe. WHO Regional Publications, 1987.

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