APA (7th ed.) Citation

UNESCO, W. -. I. (1973). the role of snow and ice in hydrology. UNESCO.

Chicago Style (17th ed.) Citation

UNESCO, Who - Iahs. The Role of Snow and Ice in Hydrology. Paris: UNESCO, 1973.

MLA (9th ed.) Citation

UNESCO, Who - Iahs. The Role of Snow and Ice in Hydrology. UNESCO, 1973.