APA (7th ed.) Citation

Global Precipitation Climatology Project, National Climatic Data Center (U.S.), World Climate Research Programme, & Global Energy and Water Cycle Experiment. (1998). Global Precipitation Climatology Project: July 1987 - December 1997, precipitation analyses (Version 1A.). GPCP : National Climatic Data Center.

Chicago Style (17th ed.) Citation

Global Precipitation Climatology Project, National Climatic Data Center (U.S.), World Climate Research Programme, and Global Energy and Water Cycle Experiment. Global Precipitation Climatology Project: July 1987 - December 1997, Precipitation Analyses. Version 1A. Asheville, N.C.: GPCP : National Climatic Data Center, 1998.

MLA (9th ed.) Citation

Global Precipitation Climatology Project, et al. Global Precipitation Climatology Project: July 1987 - December 1997, Precipitation Analyses. Version 1A. GPCP : National Climatic Data Center, 1998.