Cita APA (7a ed.)

Graebner, W. (1976). Coal-Mining Safety in the Progressive Period: The Political Economy of Reform. University Press of Kentucky.

Cita Chicago Style (17a ed.)

Graebner, William. Coal-Mining Safety in the Progressive Period: The Political Economy of Reform. Lexington: University Press of Kentucky, 1976.

Cita MLA (8a ed.)

Graebner, William. Coal-Mining Safety in the Progressive Period: The Political Economy of Reform. University Press of Kentucky, 1976.