Cite

[Map of Asia and Europe, presumably based on Buddhist or Tibetan Sources.]

MLA

[Map of Asia and Europe, Presumably Based on Buddhist or Tibetan Sources.]. 0AD. https://collections.library.yale.edu/catalog/15502109.

APA, 6th edition

[Map of Asia and Europe, presumably based on Buddhist or Tibetan Sources.]. (0 C.E.). [Maps]. https://collections.library.yale.edu/catalog/15502109.