APA (7th ed.) Citation

Kessler, E., & Wilk, K. E. [. e. a. (1968). World meteorological organization international hydrological decade (IHD). World Meteorological Organization.

Chicago Style (17th ed.) Citation

Kessler, Edwin, and Kenneth Earl [ et al...] Wilk. World Meteorological Organization International Hydrological Decade (IHD). Geneva: World Meteorological Organization, 1968.

MLA (9th ed.) Citation

Kessler, Edwin, and Kenneth Earl [ et al...] Wilk. World Meteorological Organization International Hydrological Decade (IHD). World Meteorological Organization, 1968.