Barnston, A. G., & Van den Dool, H. M. (1993). Atlas of climatology and variability of monthly mean Northern Hemisphere sea level pressure, 700 mb geopotential height, and 1000-700 mb thickness, 1950-1992. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Weather Service.
Chicago Style (17th ed.) CitationBarnston, A. G., and Huug M. Van den Dool. Atlas of Climatology and Variability of Monthly Mean Northern Hemisphere Sea Level Pressure, 700 Mb Geopotential Height, and 1000-700 Mb Thickness, 1950-1992. Camp Springs, Md.: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Weather Service, 1993.
MLA (9th ed.) CitationBarnston, A. G., and Huug M. Van den Dool. Atlas of Climatology and Variability of Monthly Mean Northern Hemisphere Sea Level Pressure, 700 Mb Geopotential Height, and 1000-700 Mb Thickness, 1950-1992. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Weather Service, 1993.