Seat of war in the east, map of Turkey and parts adjacent / compiled and published by authority of the Hon. the Sec. of War in the Office of the Chief of Engineers under the direction of A.A. Humphreys ; compiled and drawn by Denis Callahan.
MLA
of the Chief of Engineers, United States. Army. Office. Seat of War in the East, Map of Turkey and Parts Adjacent / Compiled and Published by Authority of the Hon. the Sec. of War in the Office of the Chief of Engineers under the Direction of A.A. Humphreys ; Compiled and Drawn by Denis Callahan. Office of the Chief of Engineers, 1877. https://collections.library.yale.edu/catalog/15506442.
APA, 6th edition
of the Chief of Engineers, U. S. A. O. (1877). Seat of war in the east, map of Turkey and parts adjacent / compiled and published by authority of the Hon. the Sec. of War in the Office of the Chief of Engineers under the direction of A.A. Humphreys ; compiled and drawn by Denis Callahan. [Maps]. Office of the Chief of Engineers, https://collections.library.yale.edu/catalog/15506442.
