Marchionatus Brandenburgici pars, quae marchia vetus, vulgo Altemarck dicitur [cartographic material].
MLA
Blaeu, Joan, 1596-1673. Marchionatus Brandenburgici pars, quae marchia vetus, vulgo Altemarck dicitur [cartographic material].. ca. 1670]. https://collections.library.yale.edu/catalog/16618345.
APA, 6th edition
Blaeu, Joan, 1596-1673. (ca. 1670])[Marchionatus Brandenburgici pars, quae marchia vetus, vulgo Altemarck dicitur [cartographic material].]. https://collections.library.yale.edu/catalog/16618345.