Não informado. (1912). Skillings mining review. Skillings Mining Review.
Style de citation Chicago (17e éd.)Não informado. Skillings Mining Review. Duluth, Minn: Skillings Mining Review, 1912.
Style de citation MLA (8e éd.)Não informado. Skillings Mining Review. Skillings Mining Review, 1912.
Attention : ces citations peuvent ne pas être correctes à 100%.