[Map of the Perm province].
MLA
[Map of the Perm Province]. 0AD. https://collections.library.yale.edu/catalog/16691730.
APA, 6th edition
[Map of the Perm province]. (0 C.E.). [Annotations (Provenance)--18th century., Manuscript maps]. https://collections.library.yale.edu/catalog/16691730.