Cite

Bartholomew's war map of Italy and the Balkan states / John Bartholomew & Co.

MLA

Bartholomew, John, and Co. Bartholomew's War Map of Italy and the Balkan States / John Bartholomew & Co. John Bartholomew & Co., 0AD. https://collections.library.yale.edu/catalog/15259144.

APA, 6th edition

Bartholomew, J., & C. (0 C.E.). Bartholomew's war map of Italy and the Balkan states / John Bartholomew & Co. [Maps]. John Bartholomew & Co., https://collections.library.yale.edu/catalog/15259144.