Cite

Letter signed. 3 pages, folio. Partly in code, with interlinear decode. Newport.

MLA

family, Rochambeau. Letter Signed. 3 Pages, Folio. Partly in Code, with Interlinear Decode. Newport. 1781. https://collections.library.yale.edu/catalog/2067539.

APA, 6th edition

family, R. (1781). Letter signed. 3 pages, folio. Partly in code, with interlinear decode. Newport. https://collections.library.yale.edu/catalog/2067539.