Humphrey, J. T. (1998). Family Tree Maker birth index: Southeastern Pennsylvania, 1680-1800 (Version 2.0.). [Novato, CA]: Brøderbund Software.
Chicago Style CitationHumphrey, John T. Family Tree Maker Birth Index: Southeastern Pennsylvania, 1680-1800. Version 2.0. [Novato, CA]: Brøderbund Software, 1998.
MLA CitationHumphrey, John T. Family Tree Maker Birth Index: Southeastern Pennsylvania, 1680-1800. Version 2.0. [Novato, CA]: Brøderbund Software, 1998.
Warning: These citations may not always be 100% accurate.