(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-Zitierstil (17. Ausg.)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, DC: American Geophysical Union, 1989.
MLA-Zitierstil (9. Ausg.)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.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.