APA Citation

(1996). Philadelphia maps, 1682-1982: Townships, districts, wards. Philadelphia, PA: Genealogical Society of Pennsylvania.

Chicago Style Citation

Philadelphia Maps, 1682-1982: Townships, Districts, Wards. Philadelphia, PA: Genealogical Society of Pennsylvania, 1996.

MLA Citation

Philadelphia Maps, 1682-1982: Townships, Districts, Wards. Philadelphia, PA: Genealogical Society of Pennsylvania, 1996.

Warning: These citations may not always be 100% accurate.