APA (7th ed.) Citation

World Meteorological Organization & World Meteorological Organization. (1989). WMO bulletin. World Meteorological Organization.

Chicago Style (17th ed.) Citation

World Meteorological Organization and World Meteorological Organization. WMO Bulletin. Geneva, Switzerland: World Meteorological Organization, 1989.

MLA (9th ed.) Citation

World Meteorological Organization and World Meteorological Organization. WMO Bulletin. World Meteorological Organization, 1989.

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