Cite

XI. Wallis. XII. Rauracer/Basler Gelegenheit [cartographic material].

MLA

Stumpf, Johannes, 1500-1576?. XI. Wallis. XII. Rauracer/Basler Gelegenheit [cartographic material].. ca. 1556?]. https://collections.library.yale.edu/catalog/2111103.

APA, 6th edition

Stumpf, Johannes, 1500-1576?. (ca. 1556?])[XI. Wallis. XII. Rauracer/Basler Gelegenheit [cartographic material].]. https://collections.library.yale.edu/catalog/2111103.