MLA

Keere, Pieter van den, 1571-ca. 1646. Belgii veteris typus [cartographic material] : ex conatibus geographicis Abrahami Ortelii / Petrus Kaerius caelavit.. BRBL_00085. ca. 1652]. https://collections.library.yale.edu/catalog/15352306.

APA, 6th edition

Keere, Pieter van den, 1571-ca. 1646. (["BRBL_00085"])(ca. 1652])[Belgii veteris typus [cartographic material] : ex conatibus geographicis Abrahami Ortelii / Petrus Kaerius caelavit.]. https://collections.library.yale.edu/catalog/15352306.