APA
Robert A. Renken ; W. C. Ward ; I.P. Gill ; [Et al.], . (2002). Geology and Hydrogeology of the Caribbean Islands Aquifer System of the Commonwealth of Puerto Rico and the U.S. Virgin Islands. Virginia: U.S. Geological Survey.
Chicago
Robert A. Renken ; W. C. Ward ; I.P. Gill ; [Et al.], . 2002. Geology and Hydrogeology of the Caribbean Islands Aquifer System of the Commonwealth of Puerto Rico and the U.S. Virgin Islands. Virginia: U.S. Geological Survey.
Harvard
Robert A. Renken ; W. C. Ward ; I.P. Gill ; [Et al.], . (2002). Geology and Hydrogeology of the Caribbean Islands Aquifer System of the Commonwealth of Puerto Rico and the U.S. Virgin Islands. Virginia: U.S. Geological Survey.
MLA
Robert A. Renken ; W. C. Ward ; I.P. Gill ; [Et al.], . Geology and Hydrogeology of the Caribbean Islands Aquifer System of the Commonwealth of Puerto Rico and the U.S. Virgin Islands. Virginia: U.S. Geological Survey. 2002.
