Powars, D. S. (2000). The effects of the Chesapeake Bay impact crater on the geologic framework and the correlation of hydrogeologic units of southeastern Virginia, south of the James River. U.S. Geological Survey.
Citação do estilo Chicago (17ª ed.)Powars, David S. The Effects of the Chesapeake Bay Impact Crater on the Geologic Framework and the Correlation of Hydrogeologic Units of Southeastern Virginia, South of the James River. Reston, Virginia: U.S. Geological Survey, 2000.
Citação MLA (9ª ed.)Powars, David S. The Effects of the Chesapeake Bay Impact Crater on the Geologic Framework and the Correlation of Hydrogeologic Units of Southeastern Virginia, South of the James River. U.S. Geological Survey, 2000.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.