Painter, W. T. (1973). Proceedings of Conference on Soft Ground Tunneling, University of Wisconsin, Milwaukee Extension, 1973. University of Wisconsin, Milwaukee Extension.
Citação do estilo Chicago (17ª ed.)Painter, William T. Proceedings of Conference on Soft Ground Tunneling, University of Wisconsin, Milwaukee Extension, 1973. [Milwaukee, Wis.]: University of Wisconsin, Milwaukee Extension, 1973.
Citação MLA (8ª ed.)Painter, William T. Proceedings of Conference on Soft Ground Tunneling, University of Wisconsin, Milwaukee Extension, 1973. University of Wisconsin, Milwaukee Extension, 1973.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.