Cite

Geological map of Michigan / by Alexander Winchell.

MLA

Winchell, Alexander, 1824-1891. Geological map of Michigan / by Alexander Winchell.. BRBL_00554. 1866. https://collections.library.yale.edu/catalog/15814511.

APA, 6th edition

Winchell, Alexander, 1824-1891. (["BRBL_00554"])(1866)[Geological map of Michigan / by Alexander Winchell.]. https://collections.library.yale.edu/catalog/15814511.