Cite

Highway map, state of Arizona ; Thomas Bros. map of Phoenix, Arizona / compiled and published by Thomas Bros.

MLA

Brothers, Thomas. Highway Map, State of Arizona ; Thomas Bros. Map of Phoenix, Arizona / Compiled and Published by Thomas Bros. Thomas Bros., 0AD. https://collections.library.yale.edu/catalog/15818607.

APA, 6th edition

Brothers, T. (0 C.E.). Highway map, state of Arizona ; Thomas Bros. map of Phoenix, Arizona / compiled and published by Thomas Bros. [Maps]. Thomas Bros., https://collections.library.yale.edu/catalog/15818607.