MLA
My Old Kentucky Home : with an African American Holding a Gun and a Woman Sitting Outside the Cabin [Hand Colored]. 1912. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/194hmgqnmw-cor.
APA, 6th edition
My old Kentucky home : with an African American holding a gun and a woman sitting outside the cabin [hand colored] (Box 71). (1912). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/194hmgqnmw-cor.
Chicago
“My Old Kentucky Home : with an African American Holding a Gun and a Woman Sitting Outside the Cabin [Hand Colored].” Postcards. Robert Langmuir African American Photograph Collection, 1912. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/194hmgqnmw-cor.