Cite

Istambul (Constantinople), North K. 35 : Carte No. 2 Thrace.

MLA

Istambul (Constantinople), North K. 35 : Carte No. 2 Thrace. G.S.G.S., 1918. https://collections.library.yale.edu/catalog/15238029.

APA, 6th edition

Istambul (Constantinople), North K. 35 : Carte No. 2 Thrace. (1918). [Maps]. G.S.G.S., https://collections.library.yale.edu/catalog/15238029.