Calvert, J. W. (1988). The Gibraltar: Socialism and labor in Butte, Montana, 1895-1920. Montana Historical Society Press.
Style de citation Chicago (17e éd.)Calvert, Jerry W. The Gibraltar: Socialism and Labor in Butte, Montana, 1895-1920. Helena: Montana Historical Society Press, 1988.
Style de citation MLA (8e éd.)Calvert, Jerry W. The Gibraltar: Socialism and Labor in Butte, Montana, 1895-1920. Montana Historical Society Press, 1988.
Attention : ces citations peuvent ne pas être correctes à 100%.