Keßels, J., Swieder, A., Schulte, P., Schulte, P., Alper, G., Tober, C., . . . Lehmkuhl, F. A millennium of ore mining and smelting in the eastern Harz: A geospatial database spanning from the medieval period to the 20th century. Copernicus Publications.
Chicago Style (17th ed.) CitationKeßels, J., A. Swieder, P. Schulte, P. Schulte, G. Alper, C. Tober, S. Friederich, and F. Lehmkuhl. A Millennium of Ore Mining and Smelting in the Eastern Harz: A Geospatial Database Spanning from the Medieval Period to the 20th Century. Copernicus Publications.
MLA (9th ed.) CitationKeßels, J., et al. A Millennium of Ore Mining and Smelting in the Eastern Harz: A Geospatial Database Spanning from the Medieval Period to the 20th Century. Copernicus Publications.
Warning: These citations may not always be 100% accurate.