Cite
MLA (8th Edition)
Eastern Siberia 1:250,000. Army Map Service, 1947.
APA (7th Edition)
Eastern Siberia 1:250,000. (1947). Army Map Service.
Chicago (17th Edition)
“Eastern Siberia 1:250,000.” Washington, D.C.: Army Map Service, 1947.
Eastern Siberia 1:250,000. Army Map Service, 1947.
Eastern Siberia 1:250,000. (1947). Army Map Service.
“Eastern Siberia 1:250,000.” Washington, D.C.: Army Map Service, 1947.