Calvert, J. W. (1988). The Gibraltar: Socialism and labor in Butte, Montana, 1895-1920. Montana Historical Society Press.
Cita Chicago Style (17a ed.)Calvert, Jerry W. The Gibraltar: Socialism and Labor in Butte, Montana, 1895-1920. Helena: Montana Historical Society Press, 1988.
Cita MLA (8a ed.)Calvert, Jerry W. The Gibraltar: Socialism and Labor in Butte, Montana, 1895-1920. Montana Historical Society Press, 1988.
Precaución: Estas citas no son 100% exactas.