Ries, H. (1903). The clays of the United States east of the Mississippi river. Govt. print. off.
Chicago Style (17th ed.) CitationRies, Heinrich. The Clays of the United States East of the Mississippi River. Washington: Govt. print. off, 1903.
MLA (9th ed.) CitationRies, Heinrich. The Clays of the United States East of the Mississippi River. Govt. print. off, 1903.
Warning: These citations may not always be 100% accurate.