MLA
Capers, William, 1790-1855. Letter from William Capers to Robert Paine (Aberdeen, Mississippi). unknown. Robert Paine Papers, 1828-1882. Pitts Theology Library. https://digital.library.emory.edu/purl/235gb5mms3-cor.
APA, 6th edition
Capers, William, 1790-1855. (unknown)[Letter from William Capers to Robert Paine (Aberdeen, Mississippi)]. Robert Paine Papers, 1828-1882, Pitts Theology Library. https://digital.library.emory.edu/purl/235gb5mms3-cor.
Chicago
Capers, William, 1790-1855, Letter from William Capers to Robert Paine (Aberdeen, Mississippi), unknown, Robert Paine Papers, 1828-1882, Pitts Theology Library. https://digital.library.emory.edu/purl/235gb5mms3-cor.