Cite

Iron mountain route to all parts of Texas : the way to Texas.

MLA

Brothers, Poole. Iron Mountain Route to All Parts of Texas : the Way to Texas. Poole Bros., 0AD. https://collections.library.yale.edu/catalog/15811580.

APA, 6th edition

Brothers, P. (0 C.E.). Iron mountain route to all parts of Texas : the way to Texas. [Maps]. Poole Bros., https://collections.library.yale.edu/catalog/15811580.