Cite

Map of Horse Railroad, Westville, & part of New Haven : enlarged four-fold from the county survey

MLA

Mitchell, Donald Grant, 1822-1908, cartographer. Map of Horse Railroad, Westville, & part of New Haven : enlarged four-fold from the county survey. [1870?]. https://collections.library.yale.edu/catalog/15830192.

APA, 6th edition

Mitchell, Donald Grant, 1822-1908, cartographer. ([1870?])[Map of Horse Railroad, Westville, & part of New Haven : enlarged four-fold from the county survey]. https://collections.library.yale.edu/catalog/15830192.