Cite

Geldria ducatus et Zutfania Comitatus.

MLA

Geldria Ducatus Et Zutfania Comitatus. G. Blaeuw, 0AD. https://collections.library.yale.edu/catalog/15352247.

APA, 6th edition

Geldria ducatus et Zutfania Comitatus. (0 C.E.). [Maps]. G. Blaeuw, https://collections.library.yale.edu/catalog/15352247.