Cite

Map of China [cartographic material] : shewing railways, telegraphs and treaty ports.

MLA

Survey, Great Britain. Ordnance. Map of China [Cartographic Material] : Shewing Railways, Telegraphs and Treaty Ports. War Office, 1913. https://collections.library.yale.edu/catalog/15827202.

APA, 6th edition

Survey, G. B. O. (1913). Map of China [cartographic material] : shewing railways, telegraphs and treaty ports. [Maps]. War Office, https://collections.library.yale.edu/catalog/15827202.