Drake, A. A. (1989). Metamorphic rocks of the Potomac terrane in the Potomac Valley of Virginia and Maryland: The Piedmont of Fairfax County, Virginia, July 13 and 18, 1989. American Geophysical Union.
Chicago Style (17th ed.) CitationDrake, Avery Ala. Metamorphic Rocks of the Potomac Terrane in the Potomac Valley of Virginia and Maryland: The Piedmont of Fairfax County, Virginia, July 13 and 18, 1989. Washington, D.C.: American Geophysical Union, 1989.
MLA (9th ed.) CitationDrake, Avery Ala. Metamorphic Rocks of the Potomac Terrane in the Potomac Valley of Virginia and Maryland: The Piedmont of Fairfax County, Virginia, July 13 and 18, 1989. American Geophysical Union, 1989.
Warning: These citations may not always be 100% accurate.