Cite
MLA (8th Edition)
Atlas of Ground-Water Resources In Puerto Rico and the U.S. Virgin Islands. U.S. Department of the Interior, U.S. Geological Survey, 1996.
APA (7th Edition)
Atlas of ground-water resources in Puerto Rico and the U.S. Virgin Islands. (1996). U.S. Department of the Interior, U.S. Geological Survey.
Chicago (17th Edition)
“Atlas of Ground-Water Resources in Puerto Rico and the U.S. Virgin Islands.” San Juan, Puerto Rico: U.S. Department of the Interior, U.S. Geological Survey, 1996.