[Letter: John Macrone to Sir S[amuel] Egerton Brydges]
MLA
Macrone, John, 1809-1837. [Letter: John Macrone to Sir S[amuel] Egerton Brydges]. Folder 9466. 1833 October 31. https://collections.library.yale.edu/catalog/10257447.
APA, 6th edition
Macrone, John, 1809-1837. (["Folder 9466"])(1833 October 31)[[Letter: John Macrone to Sir S[amuel] Egerton Brydges]]. https://collections.library.yale.edu/catalog/10257447.