APA Citation

Boyd's official street guide of Philadelphia ...: Including a complete list of Philadelphia suburban trolley lines. Philadelphia [Pa.]: R.L. Polk & Co..

Chicago Style Citation

Boyd's Official Street Guide of Philadelphia ...: Including a Complete List of Philadelphia Suburban Trolley Lines. Philadelphia [Pa.]: R.L. Polk & Co..

MLA Citation

Boyd's Official Street Guide of Philadelphia ...: Including a Complete List of Philadelphia Suburban Trolley Lines. Philadelphia [Pa.]: R.L. Polk & Co..

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