Cite

[Ancient France] Gallia Antiqua ... ab Aeg. Robert Geographo.

MLA

[Ancient France] Gallia Antiqua ... Ab Aeg. Robert Geographo. 0AD. https://collections.library.yale.edu/catalog/15483900.

APA, 6th edition

[Ancient France] Gallia Antiqua ... ab Aeg. Robert Geographo. (0 C.E.). [Maps]. https://collections.library.yale.edu/catalog/15483900.