APA (7th ed.) Citation

Ries, H. (1907). Economic geology of the United States ([2d ed.].). The Macmillan company; Macmillan & co., ltd..

Chicago Style (17th ed.) Citation

Ries, Heinrich. Economic Geology of the United States. [2d ed.]. New York : London: The Macmillan company; Macmillan & co., ltd., 1907.

MLA (9th ed.) Citation

Ries, Heinrich. Economic Geology of the United States. [2d ed.]. The Macmillan company; Macmillan & co., ltd., 1907.