Não informado. (1871). Transactions of the American Institute of Mining Engineers. American Institute of Mining Engineers.
Citação do estilo Chicago (17ª ed.)Não informado. Transactions of the American Institute of Mining Engineers. New York: American Institute of Mining Engineers, 1871.
Citação MLA (8ª ed.)Não informado. Transactions of the American Institute of Mining Engineers. American Institute of Mining Engineers, 1871.
Atenció: Aquestes cites poden no estar 100% correctes.