Roy, A. (1907). A history of the coal miners of the United States, from the development of the mines to the close of the anthracite strikes of 1902, including a brief sketch of early British miners (3d. ed., rev and enl.). Press of J.L. Trauger printing company.
Chicago Style (17th ed.) CitationRoy, Andrew. A History of the Coal Miners of the United States, from the Development of the Mines to the Close of the Anthracite Strikes of 1902, Including a Brief Sketch of Early British Miners. 3d. ed., rev and enl. Columbus, O.: Press of J.L. Trauger printing company, 1907.
MLA (8th ed.) CitationRoy, Andrew. A History of the Coal Miners of the United States, from the Development of the Mines to the Close of the Anthracite Strikes of 1902, Including a Brief Sketch of Early British Miners. 3d. ed., rev and enl. Press of J.L. Trauger printing company, 1907.