Cite
MLA (8th Edition)
Difference Between the Potentiometric Surface of the Aquia Aquifer In Spring of 1979 and Fall of 1986 In Southern Maryland. Department of the Interior, U.S. Geological Survey, 1987.
APA (7th Edition)
Difference between the potentiometric surface of the Aquia aquifer in Spring of 1979 and Fall of 1986 in southern Maryland. (1987). Department of the Interior, U.S. Geological Survey.
Chicago (17th Edition)
“Difference between the Potentiometric Surface of the Aquia Aquifer in Spring of 1979 and Fall of 1986 in Southern Maryland.” Towson, Maryland: Department of the Interior, U.S. Geological Survey, 1987.