Cite

Map of Chicago and suburbs.

MLA

Blanchard, Rufus, 1821-1904. Map of Chicago and suburbs.. BRBL_00548. 1893. https://collections.library.yale.edu/catalog/15814425.

APA, 6th edition

Blanchard, Rufus, 1821-1904. (["BRBL_00548"])(1893)[Map of Chicago and suburbs.]. https://collections.library.yale.edu/catalog/15814425.