APA (7th ed.) Citation

Espenshade, G. H. (1986). Geology of the Marshall Quadrangle, Fauquier County, Virginia. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Espenshade, Gilbert H. Geology of the Marshall Quadrangle, Fauquier County, Virginia. Washington: U.S. Dept. of the Interior, Geological Survey, 1986.

MLA (9th ed.) Citation

Espenshade, Gilbert H. Geology of the Marshall Quadrangle, Fauquier County, Virginia. U.S. Dept. of the Interior, Geological Survey, 1986.