APA (7th ed.) Citation

Harper, R. E. (1991). The transformation of western Pennsylvania, 1770-1800. University of Pittsburgh Press.

Chicago Style (17th ed.) Citation

Harper, R. Eugene. The Transformation of Western Pennsylvania, 1770-1800. Pittsburgh, PA: University of Pittsburgh Press, 1991.

MLA (9th ed.) Citation

Harper, R. Eugene. The Transformation of Western Pennsylvania, 1770-1800. University of Pittsburgh Press, 1991.