Map of the United States of America, showing the boundaries of the Union and Confederate geographical divisions and departments, Dec 31, 1862
MLA
Dept, United States. War. Map of the United States of America, Showing the Boundaries of the Union and Confederate Geographical Divisions and Departments, Dec 31, 1862. Government Printing Office, 1895. https://collections.library.yale.edu/catalog/2005511.
APA, 6th edition
Dept, U. S. W. (1895). Map of the United States of America, showing the boundaries of the Union and Confederate geographical divisions and departments, Dec 31, 1862 [Maps]. Government Printing Office. https://collections.library.yale.edu/catalog/2005511.
