Schweitzer, M. M. (1990). Elements of political economy in the late eighteenth century: The backcountry of Pennsylvania and the Shenandoah Valley of Virginia. Villanova, PA: M.M. Schweitzer.
Chicago Style CitationSchweitzer, Mary McKinney. Elements of Political Economy in the Late Eighteenth Century: The Backcountry of Pennsylvania and the Shenandoah Valley of Virginia. Villanova, PA: M.M. Schweitzer, 1990.
MLA CitationSchweitzer, Mary McKinney. Elements of Political Economy in the Late Eighteenth Century: The Backcountry of Pennsylvania and the Shenandoah Valley of Virginia. Villanova, PA: M.M. Schweitzer, 1990.