Cite

[Maps of the Island of Ceylon, Burmah, Siam, and Anam.]

MLA

[Maps of the Island of Ceylon, Burmah, Siam, and Anam.]. Blackie & Son, 0AD. https://collections.library.yale.edu/catalog/15512905.

APA, 6th edition

[Maps of the Island of Ceylon, Burmah, Siam, and Anam.]. (0 C.E.). [Maps]. Blackie & Son, https://collections.library.yale.edu/catalog/15512905.