MLA

Gothus, Olaus Joannis, 1600-1644, cartographer. Marchionatus Brandenburgici partes duae, nova Marchia et Uckerana [cartographic material]. ca. 1670]. https://collections.library.yale.edu/catalog/16618344.

APA, 6th edition

Gothus, Olaus Joannis, 1600-1644, cartographer. (ca. 1670])[Marchionatus Brandenburgici partes duae, nova Marchia et Uckerana [cartographic material]]. https://collections.library.yale.edu/catalog/16618344.