[Autograph letter signed] 1740-1 March 6, Sheffield [to] Thomas Balguy, St. Johns College, Cambridge
MLA
Balguy, John, 1686-1748. [Autograph letter signed] 1740-1 March 6, Sheffield [to] Thomas Balguy, St. Johns College, Cambridge. Folder 4. 1740-1 March 6. https://collections.library.yale.edu/catalog/10000017.
APA, 6th edition
Balguy, John, 1686-1748. (["Folder 4"])(1740-1 March 6)[[Autograph letter signed] 1740-1 March 6, Sheffield [to] Thomas Balguy, St. Johns College, Cambridge]. https://collections.library.yale.edu/catalog/10000017.