APA (7th ed.) Citation

World Meteorological Organization & World Climate Applications and Services Programme. (1991). WCASP (Series). World Meteorological Organization.

Chicago Style (17th ed.) Citation

World Meteorological Organization and World Climate Applications and Services Programme. WCASP (Series). Geneva, Switzerland: World Meteorological Organization, 1991.

MLA (9th ed.) Citation

World Meteorological Organization and World Climate Applications and Services Programme. WCASP (Series). World Meteorological Organization, 1991.