APA (7th ed.) Citation

Ries, H. (1937). Economic geology (7th ed.). J. Wiley & sons, inc. Chapman & Hall, limited.

Chicago Style (17th ed.) Citation

Ries, Heinrich. Economic Geology. 7th ed. New York : London: J. Wiley & sons, inc. Chapman & Hall, limited, 1937.

MLA (9th ed.) Citation

Ries, Heinrich. Economic Geology. 7th ed. J. Wiley & sons, inc. Chapman & Hall, limited, 1937.