VII. Das Ergow ; VIII. Das Wiflispurgergow [cartographic material].
MLA
Stumpf, Johannes, 1500-1576?. VII. Das Ergow ; VIII. Das Wiflispurgergow [cartographic material].. ca. 1556?]. https://collections.library.yale.edu/catalog/2111101.
APA, 6th edition
Stumpf, Johannes, 1500-1576?. (ca. 1556?])[VII. Das Ergow ; VIII. Das Wiflispurgergow [cartographic material].]. https://collections.library.yale.edu/catalog/2111101.