Platt, W. G. (1881). Report of progress in Jefferson County: With a colored map of the county. Board of Commissioners for the Second Geological Survey.
Chicago-Zitierstil (17. Ausg.)Platt, William G. Report of Progress in Jefferson County: With a Colored Map of the County. Harrisburg: Board of Commissioners for the Second Geological Survey, 1881.
MLA-Zitierstil (9. Ausg.)Platt, William G. Report of Progress in Jefferson County: With a Colored Map of the County. Board of Commissioners for the Second Geological Survey, 1881.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.