APA

Rickard T. A., . (1993). A history of American mining. London: McGraw-Hill.

Chicago

Rickard T A, . 1993. A history of American mining. London: McGraw-Hill.

Harvard

Rickard T. A., . (1993). A history of American mining. London: McGraw-Hill.

MLA

Rickard T A, . A history of American mining. London: McGraw-Hill. 1993.