MLA

Blaeu, Joan, 1596-1673. Theatrum orbis terrarum. French, Blaeu, Willem Janszoon, 1571-1638, Blaeu, Willem Janszoon, 1571-1638. Theatrum orbis terrarum. French. Ultraiectum dominium.. BRBL_00078. [ca. 1645]. https://collections.library.yale.edu/catalog/15352194.

APA, 6th edition

Blaeu, Joan, 1596-1673. Theatrum orbis terrarum. French, & Blaeu, Willem Janszoon, 1571-1638, & Blaeu, Willem Janszoon, 1571-1638. Theatrum orbis terrarum. French. (["BRBL_00078"])([ca. 1645])[Ultraiectum dominium.]. https://collections.library.yale.edu/catalog/15352194.