Cite

Map of Texas and parts of adjoining territories / compiled by and under the direction of Robert T. Hill ; drawn by Henry S. Selden and Willard D. Johnson.

MLA

Selden, Henry S. Map of Texas and Parts of Adjoining Territories / Compiled by and under the Direction of Robert T. Hill ; Drawn by Henry S. Selden and Willard D. Johnson. U.S. Geological Survey, 1899. https://collections.library.yale.edu/catalog/15812972.

APA, 6th edition

Selden, H. S. (1899). Map of Texas and parts of adjoining territories / compiled by and under the direction of Robert T. Hill ; drawn by Henry S. Selden and Willard D. Johnson. [Maps]. U.S. Geological Survey, https://collections.library.yale.edu/catalog/15812972.