Grant, R. H., & Heisler, G. M. (1997). Obscured overcast sky radiance distributions for ultraviolet and photosynthetically active radiation. Journal of Applied Meteorology, 36, 1336. https://doi.org/10.1175/1520-0450(1997)036<1336:OOSRDF>2.0.CO;2
Chicago Style (17th ed.) CitationGrant, Richard H., and Gordon M. Heisler. "Obscured Overcast Sky Radiance Distributions for Ultraviolet and Photosynthetically Active Radiation." Journal of Applied Meteorology 36 (1997): 1336. https://doi.org/10.1175/1520-0450(1997)036<1336:OOSRDF>2.0.CO;2.
MLA (9th ed.) CitationGrant, Richard H., and Gordon M. Heisler. "Obscured Overcast Sky Radiance Distributions for Ultraviolet and Photosynthetically Active Radiation." Journal of Applied Meteorology, vol. 36, 1997, p. 1336, https://doi.org/10.1175/1520-0450(1997)036<1336:OOSRDF>2.0.CO;2.