MLA

Ortelius, Abraham, 1527-1598. Europam, sive Celticam veterem, sic describere conabar Abrahahamus Ortelius / Evert Sijmons z. Hamers veldt sculpsit.. BRBL_00029. 1630?]. https://collections.library.yale.edu/catalog/12221976.

APA, 6th edition

Ortelius, Abraham, 1527-1598. (["BRBL_00029"])(1630?])[Europam, sive Celticam veterem, sic describere conabar Abrahahamus Ortelius / Evert Sijmons z. Hamers veldt sculpsit.]. https://collections.library.yale.edu/catalog/12221976.