APA Style
Ries, H.. (1949).
Economic geology .
USA:
John Wiley & Sons, Inc..
Chicago Style
Ries, H..
Economic geology.
USA:
John Wiley & Sons, Inc.,
1949.
Texts.
MLA Style
Ries, H..
Economic geology.
USA:
John Wiley & Sons, Inc.,
1949.
Texts.
Turabian Style
Ries, H..
Economic geology.
USA:
John Wiley & Sons, Inc.,
1949.
Texts.