MLA
family, Gregory. Gregory Family Papers, 1770-1956. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/378tb2rc2n-cor.
APA, 6th edition
family, G. Gregory Family Papers, 1770-1956. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/378tb2rc2n-cor.
Chicago
family, Gregory. “Gregory Family Papers, 1770-1956,” n.d. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/378tb2rc2n-cor.