George Custer letter to C. F. Hatch
MLA
Custer, George. George Custer Letter to C. F. Hatch. 1866. https://collections.library.yale.edu/catalog/17258221.
APA, 6th edition
Custer, G. (1866). George Custer letter to C. F. Hatch [Correspondence, Manuscripts]. https://collections.library.yale.edu/catalog/17258221.