MLA

Automobile Map of Western Part of Long Island / Compiled by Bureau of Tours, Automobile Club of America. Automobile Club of America, 0AD. https://collections.library.yale.edu/catalog/15827617.

APA, 6th edition

Automobile map of western part of Long Island / compiled by Bureau of Tours, Automobile Club of America. (0 C.E.). [Maps]. Automobile Club of America, https://collections.library.yale.edu/catalog/15827617.