Cite

Bacon's central London : divided into half mile squares & circles

MLA

Bacon, G. W., and Co. Bacon's Central London : Divided into Half Mile Squares & Circles. G.W. Bacon & Co., 0AD. https://collections.library.yale.edu/catalog/31911431.

APA, 6th edition

Bacon, G. W., & C. (0 C.E.). Bacon's central London : divided into half mile squares & circles [Maps, Advertisements]. G.W. Bacon & Co. https://collections.library.yale.edu/catalog/31911431.