The mines of the Upper Harz from 1514 to 1589 ...
APA Citation
Boyce, H., Hake, H. (1920). The mines of the Upper Harz from 1514 to 1589 ... Menasha, Wis.: George Banta publishing company.
MLA Citation
Boyce, Helen, d 1920, and Hardanus Hake. The Mines of the Upper Harz From 1514 to 1589 ... Menasha, Wis.: George Banta publishing company, 1920.
Warning: These citations may not always be complete (especially for serials).