APA (7th ed.) Citation
(2000). Air quality guidelines for Europe (Second edition.). World Health Organization Regional Office for Europe.
Chicago Style (17th ed.) Citation
Air Quality Guidelines for Europe. Second edition. Copenhagen, Denmark: World Health Organization Regional Office for Europe, 2000.
MLA (9th ed.) Citation
Air Quality Guidelines for Europe. Second edition. World Health Organization Regional Office for Europe, 2000.
Warning: These citations may not always be 100% accurate.