Cite

Letter from Horace Walpole (Enclosure only)

MLA

Walpole, Horace, 1717-1797. Letter from Horace Walpole (Enclosure only). 2, folder 19b. 1791 Aug 19. https://collections.library.yale.edu/catalog/33328473.

APA, 6th edition

Walpole, Horace, 1717-1797. (["2, folder 19b"])(1791 Aug 19)[Letter from Horace Walpole (Enclosure only)]. https://collections.library.yale.edu/catalog/33328473.