APA (7th ed.) Citation

Geological Survey (U.S.), Puerto Rico. Environmental Quality Board, Conde-Costas, C., & Rodriguez-Rodriguez, G. (1997). Potentiometric surface and hydrologic conditions of the upper aquifer in the Manati-Vega Baja area, north central Puerto Rico, March 1995. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Puerto Rico. Environmental Quality Board, Carlos Conde-Costas, and Gilberto Rodriguez-Rodriguez. Potentiometric Surface and Hydrologic Conditions of the Upper Aquifer in the Manati-Vega Baja Area, North Central Puerto Rico, March 1995. [Guaynabo, P.R.]: The Survey, 1997.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Potentiometric Surface and Hydrologic Conditions of the Upper Aquifer in the Manati-Vega Baja Area, North Central Puerto Rico, March 1995. The Survey, 1997.