Graefenstein, G. E. (1958). Centenary business firms of greater Philadelphia ([2nd ed.].). Philadelphia, Pa.: Chamber of Commerce of Greater Philadelphia.
Chicago Style CitationGraefenstein, Gertrude E. Centenary Business Firms of Greater Philadelphia. [2nd ed.]. Philadelphia, Pa.: Chamber of Commerce of Greater Philadelphia, 1958.
MLA CitationGraefenstein, Gertrude E. Centenary Business Firms of Greater Philadelphia. [2nd ed.]. Philadelphia, Pa.: Chamber of Commerce of Greater Philadelphia, 1958.
Warning: These citations may not always be 100% accurate.