Cite

Johnson's new map of the state of Texas / by Johnson and Ward.

MLA

Johnson, and Ward. Johnson's New Map of the State of Texas / by Johnson and Ward. s.n., 1866. https://collections.library.yale.edu/catalog/15811500.

APA, 6th edition

J., & W. (1866). Johnson's new map of the state of Texas / by Johnson and Ward. [Maps]. s.n., https://collections.library.yale.edu/catalog/15811500.