Cite

[Map of southern Europe and the Adriatic Sea .]

MLA

[Map of Southern Europe and the Adriatic Sea .]. s.n., 191AD. https://collections.library.yale.edu/catalog/15238279.

APA, 6th edition

[Map of southern Europe and the Adriatic Sea .]. (191 C.E.). [Maps]. s.n., https://collections.library.yale.edu/catalog/15238279.