MLA

Gothus, Olaus Joannis, 1600-1644. Marchionatus Brandenburgici partes duae, Ruppin Comitatus & Prignits regiuncula [cartographic material]. ca. 1670]. https://collections.library.yale.edu/catalog/16618342.

APA, 6th edition

Gothus, Olaus Joannis, 1600-1644. (ca. 1670])[Marchionatus Brandenburgici partes duae, Ruppin Comitatus & Prignits regiuncula [cartographic material]]. https://collections.library.yale.edu/catalog/16618342.