MLA
Kavanaugh, H. H. (Hubbard Hinde), 1802-1884. Letter from H. H. Kavanaugh (Natchez, Mississippi) to Robert Paine - January 5, 1856. January 5, 1856. Robert Paine Papers, 1828-1882. Pitts Theology Library. https://digital.library.emory.edu/purl/747dr7ss14-cor.
APA, 6th edition
Kavanaugh, H. H. (Hubbard Hinde), 1802-1884. (January 5, 1856)[Letter from H. H. Kavanaugh (Natchez, Mississippi) to Robert Paine - January 5, 1856]. Robert Paine Papers, 1828-1882, Pitts Theology Library. https://digital.library.emory.edu/purl/747dr7ss14-cor.
Chicago
Kavanaugh, H. H. (Hubbard Hinde), 1802-1884, Letter from H. H. Kavanaugh (Natchez, Mississippi) to Robert Paine - January 5, 1856, January 5, 1856, Robert Paine Papers, 1828-1882, Pitts Theology Library. https://digital.library.emory.edu/purl/747dr7ss14-cor.