APA Citation
Pennsylvania. Department of Labor and Industry. (1920). Third industrial directory of Pennsylvania, 1919. J. L. L. Kuhn, printer to the commonwealth. Retrieved from 10.5479/sil.66704.39088001920917
MLA Citation
Pennsylvania. Department of Labor and Industry. Third industrial directory of Pennsylvania, 1919. J. L. L. Kuhn, printer to the commonwealth, 1920, 10.5479/sil.66704.39088001920917
Chicago
Pennsylvania. Department of Labor and Industry. Third industrial directory of Pennsylvania, 1919. J. L. L. Kuhn, printer to the commonwealth, 1920. doi: 10.5479/sil.66704.39088001920917
Warning: These citations may not always be complete (especially for serials).
