Cite

Military map of the middle and southern states showing the seat of war during the great rebellion in 1861 Drawn and engr. by J. Schedler ; Lith. of Sarony, Major & Knapp, N.Y.

MLA

Schedler, J. (Joseph). Military map of the middle and southern states showing the seat of war during the great rebellion in 1861 Drawn and engr. by J. Schedler ; Lith. of Sarony, Major & Knapp, N.Y.. BRBL_00417. [1875?]. https://collections.library.yale.edu/catalog/15603967.

APA, 6th edition

Schedler, J. (Joseph). (["BRBL_00417"])([1875?])[Military map of the middle and southern states showing the seat of war during the great rebellion in 1861 Drawn and engr. by J. Schedler ; Lith. of Sarony, Major & Knapp, N.Y.]. https://collections.library.yale.edu/catalog/15603967.