Map illustrating the plan of the defences of the western & north-western frontier : as proposed by Charles Gratiot in his report of Oct. 31, 1837 / compiled in the U.S. Topographical Bureau under the direction of Col. J.J. Abert, U.S.T.E., by W. Hood.
MLA
Hood, Washington. Map Illustrating the Plan of the Defences of the Western & North-Western Frontier : as Proposed by Charles Gratiot in His Report of Oct. 31, 1837 / Compiled in the U.S. Topographical Bureau under the Direction of Col. J.J. Abert, U.S.T.E., by W. Hood. s.n., 1837. https://collections.library.yale.edu/catalog/15812913.
APA, 6th edition
Hood, W. (1837). Map illustrating the plan of the defences of the western & north-western frontier : as proposed by Charles Gratiot in his report of Oct. 31, 1837 / compiled in the U.S. Topographical Bureau under the direction of Col. J.J. Abert, U.S.T.E., by W. Hood. [Maps]. s.n., https://collections.library.yale.edu/catalog/15812913.
