Cite

[Two autograph letters signed] 1788 September 30 and 1862 January

MLA

[Two Autograph Letters Signed] 1788 September 30 and 1862 January. 1788. https://collections.library.yale.edu/catalog/2055671.

APA, 6th edition

[Two autograph letters signed] 1788 September 30 and 1862 January. (1788). [Advertisements, Autographs, Business records, Correspondence, Notes]. https://collections.library.yale.edu/catalog/2055671.