APA Citation

(1923). Boyd's street guide of Philadelphia, 1923: Including a complete list of Philadelphia trolley lines. Philadelphia [Pa.]: R.L. Polk & Co..

Chicago Style Citation

Boyd's Street Guide of Philadelphia, 1923: Including a Complete List of Philadelphia Trolley Lines. Philadelphia [Pa.]: R.L. Polk & Co., 1923.

MLA Citation

Boyd's Street Guide of Philadelphia, 1923: Including a Complete List of Philadelphia Trolley Lines. Philadelphia [Pa.]: R.L. Polk & Co., 1923.

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