Comitatus Bellovacum vernaculè€ Beauvais [cartographic material].
MLA
Blaeu, Willem Janszoon, 1571-1638. Comitatus Bellovacum vernaculè€ Beauvais [cartographic material].. [after 1644]. https://collections.library.yale.edu/catalog/16618374.
APA, 6th edition
Blaeu, Willem Janszoon, 1571-1638. ([after 1644])[Comitatus Bellovacum vernaculè€ Beauvais [cartographic material].]. https://collections.library.yale.edu/catalog/16618374.