Lugo, A. E., Ramos González, O. M., & Rodríguez Pedraza, C. (2011). The Río Piedras watershed and its surrounding environment. International Institute of Tropical Forestry ; USDA Forest Service.
Chicago Style (17th ed.) CitationLugo, Ariel E., Olga M. Ramos González, and Carlos Rodríguez Pedraza. The Río Piedras Watershed and Its Surrounding Environment. Río Piedras, P.R.: International Institute of Tropical Forestry ; USDA Forest Service, 2011.
MLA (9th ed.) CitationLugo, Ariel E., et al. The Río Piedras Watershed and Its Surrounding Environment. International Institute of Tropical Forestry ; USDA Forest Service, 2011.
Warning: These citations may not always be 100% accurate.