APA (7th ed.) Citation

(1992). Air quality management in European countries. WHO Collab. Centre for Air Quality Management and Air Pollution Control.

Chicago Style (17th ed.) Citation

Air Quality Management in European Countries. Langen: WHO Collab. Centre for Air Quality Management and Air Pollution Control, 1992.

MLA (9th ed.) Citation

Air Quality Management in European Countries. WHO Collab. Centre for Air Quality Management and Air Pollution Control, 1992.