MLA

Forsyth, James W. (James William), 1836-1906. Scene of the fight with Big Foot's Band, December 29th, 1890, showing the position of the troops when first shot was fired. From sketches by Lt. S. A. Cloman, Acting Engineer Officer, Division of the Missouri (printed map). Box 11 (Oversize), folder 193. [1891]. https://collections.library.yale.edu/catalog/2030406.

APA, 6th edition

Forsyth, James W. (James William), 1836-1906. (["Box 11 (Oversize), folder 193"])([1891])[Scene of the fight with Big Foot's Band, December 29th, 1890, showing the position of the troops when first shot was fired. From sketches by Lt. S. A. Cloman, Acting Engineer Officer, Division of the Missouri (printed map)]. https://collections.library.yale.edu/catalog/2030406.