Graebner, W. (1976). Coal-mining safety in the progressive period : the political economy of reform: The political economy of reform. University Press of Kentucky.
Chicago Style (17th ed.) CitationGraebner, William. Coal-mining Safety in the Progressive Period : The Political Economy of Reform: The Political Economy of Reform. Lexington (Ky.): University Press of Kentucky, 1976.
MLA (9th ed.) CitationGraebner, William. Coal-mining Safety in the Progressive Period : The Political Economy of Reform: The Political Economy of Reform. University Press of Kentucky, 1976.
Warning: These citations may not always be 100% accurate.