Cite

The city of Chicago, Illinois.

MLA

G. W., et al. The City of Chicago, Illinois. G.W. & C.B. Colton, 0AD. https://collections.library.yale.edu/catalog/15814416.

APA, 6th edition

G. W., Colton, C. B., & C. (0 C.E.). The city of Chicago, Illinois. [Maps]. G.W. & C.B. Colton, https://collections.library.yale.edu/catalog/15814416.