[Autograph letter signed] 1862 February 28 [to] Charles Gardner
MLA
of the Treasury, United States. Dept. [Autograph Letter Signed] 1862 February 28 [to] Charles Gardner. 1862. https://collections.library.yale.edu/catalog/2054815.
APA, 6th edition
of the Treasury, U. S. D. (1862). [Autograph letter signed] 1862 February 28 [to] Charles Gardner [Autographs, Correspondence, Federal government records]. https://collections.library.yale.edu/catalog/2054815.