Cite
MLA (8th Edition)
Torres-Sierra, Heriberto. Flood of September 22, 1998, In Arecibo and Utuado, Puerto Rico. Branch of Information Services distributor., U.S. Dept. of the Interior, U.S. Geological Survey, 2002.
APA (7th Edition)
Torres-Sierra, H. (2002). Flood of September 22, 1998, in Arecibo and Utuado, Puerto Rico. Branch of Information Services distributor., U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago (17th Edition)
Torres-Sierra, Heriberto. Flood of September 22, 1998, in Arecibo and Utuado, Puerto Rico. Denver, CO: Branch of Information Services distributor., U.S. Dept. of the Interior, U.S. Geological Survey, 2002.