Cite

[Map of the Balkan Peninsula showing Sofiya and Istambul] : Map used by Clive Day at discussions of Balkan Territorial Committee, April, 1918.

MLA

[Map of the Balkan Peninsula Showing Sofiya and Istambul] : Map Used by Clive Day at Discussions of Balkan Territorial Committee, April, 1918. s.n., 1918. https://collections.library.yale.edu/catalog/15238065.

APA, 6th edition

[Map of the Balkan Peninsula showing Sofiya and Istambul] : Map used by Clive Day at discussions of Balkan Territorial Committee, April, 1918. (1918). [Maps]. s.n., https://collections.library.yale.edu/catalog/15238065.