Lenters, J. D., & Cook, K. H. (1999). Summertime precipitation variability over South America: Role of the large-scale circulation. Monthly Weather Review, 127(3), 409. https://doi.org/10.1175/1520-0493(1999)127<0409:SPVOSA>2.0.CO;2
Chicago Style (17th ed.) CitationLenters, J. D., and K. H. Cook. "Summertime Precipitation Variability over South America: Role of the Large-scale Circulation." Monthly Weather Review 127, no. 3 (1999): 409. https://doi.org/10.1175/1520-0493(1999)127<0409:SPVOSA>2.0.CO;2.
MLA (9th ed.) CitationLenters, J. D., and K. H. Cook. "Summertime Precipitation Variability over South America: Role of the Large-scale Circulation." Monthly Weather Review, vol. 127, no. 3, 1999, p. 409, https://doi.org/10.1175/1520-0493(1999)127<0409:SPVOSA>2.0.CO;2.