APA Citation

(1976). Philadelphia Electric Company system, Philadelphia and vicinity [cartographic material] (1976 ed.). [Philadelphia]: Philadelphia Electric Co..

Chicago Style Citation

Philadelphia Electric Company System, Philadelphia and Vicinity [cartographic Material]. 1976 ed. [Philadelphia]: Philadelphia Electric Co., 1976.

MLA Citation

Philadelphia Electric Company System, Philadelphia and Vicinity [cartographic Material]. 1976 ed. [Philadelphia]: Philadelphia Electric Co., 1976.

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