Oldenburg Comitatus. E.S. Hamersveldt Sculp.
MLA
Oldenburg Comitatus. E.S. Hamersveldt Sculp. G. Blaeuw, 0AD. https://collections.library.yale.edu/catalog/15483078.
APA, 6th edition
Oldenburg Comitatus. E.S. Hamersveldt Sculp. (0 C.E.). [Maps]. G. Blaeuw, https://collections.library.yale.edu/catalog/15483078.