Cite

Holsatia ducatus Per Gerardum Mereatorem.

MLA

Holsatia Ducatus Per Gerardum Mereatorem. 0AD. https://collections.library.yale.edu/catalog/15483121.

APA, 6th edition

Holsatia ducatus Per Gerardum Mereatorem. (0 C.E.). [Maps]. https://collections.library.yale.edu/catalog/15483121.