APA (7th ed.) Citation

Geological Survey (U.S.), Puerto Rico Aqueduct and Sewer Authority, Pérez-Blair, F., & Carrasquillo, R. A. (1996). Potentiometric surface of the principal alluvial aquifers in the Rio Espiritu Santo to Rio Demajagua area, Puerto Rico, March 23-24,1994. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Puerto Rico Aqueduct and Sewer Authority, Francisco Pérez-Blair, and Ramon A. Carrasquillo. Potentiometric Surface of the Principal Alluvial Aquifers in the Rio Espiritu Santo to Rio Demajagua Area, Puerto Rico, March 23-24,1994. [Reston, Va.]: U.S. Geological Survey, 1996.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Potentiometric Surface of the Principal Alluvial Aquifers in the Rio Espiritu Santo to Rio Demajagua Area, Puerto Rico, March 23-24,1994. U.S. Geological Survey, 1996.