Iscrupe, W. L., & Iscrupe, S. G. M. (1990). Pennsylvania line: A research guide to Pennsylvania genealogy and local history (4th ed.). Laughlintown, Pa.: Southwest Pennsylvania Genealogical Services.
Chicago Style CitationIscrupe, William L., and Shirley G. M. Iscrupe. Pennsylvania Line: A Research Guide to Pennsylvania Genealogy and Local History. 4th ed. Laughlintown, Pa.: Southwest Pennsylvania Genealogical Services, 1990.
MLA CitationIscrupe, William L., and Shirley G. M. Iscrupe. Pennsylvania Line: A Research Guide to Pennsylvania Genealogy and Local History. 4th ed. Laughlintown, Pa.: Southwest Pennsylvania Genealogical Services, 1990.