MLA

Blaeu, Willem Janszoon, 1571-1638, Mellinger, Johannes, ca. 1538-1603. Ducatus Luneburgensis : adiacentium[que] regionum delineatio / auctore Iohanne Mellingero. [ca. 1630]. https://collections.library.yale.edu/catalog/2111121.

APA, 6th edition

Blaeu, Willem Janszoon, 1571-1638, & Mellinger, Johannes, ca. 1538-1603. ([ca. 1630])[Ducatus Luneburgensis : adiacentium[que] regionum delineatio / auctore Iohanne Mellingero]. https://collections.library.yale.edu/catalog/2111121.