Map of Texas and the country adjacent / compiled in the Bureau of the Corps of Topographical Engeneers [sic], from the best authorities, for the State Department, under the direction of Col. J.J. Abert, Chief of the Corps, by W.H. Emory, 1st Lieut. T.E.
MLA
Emory, William H. (William Hemsley), 1811-1887. Map of Texas and the country adjacent / compiled in the Bureau of the Corps of Topographical Engeneers [sic], from the best authorities, for the State Department, under the direction of Col. J.J. Abert, Chief of the Corps, by W.H. Emory, 1st Lieut. T.E.. BRBL_00524. 1844. https://collections.library.yale.edu/catalog/15811478.
APA, 6th edition
Emory, William H. (William Hemsley), 1811-1887. (["BRBL_00524"])(1844)[Map of Texas and the country adjacent / compiled in the Bureau of the Corps of Topographical Engeneers [sic], from the best authorities, for the State Department, under the direction of Col. J.J. Abert, Chief of the Corps, by W.H. Emory, 1st Lieut. T.E.]. https://collections.library.yale.edu/catalog/15811478.