MLA
Henrics, H. Portrait of Grandfather Thompson. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 62. https://digital.library.emory.edu/purl/433dz08ks8-cor.
APA, 6th edition
Henrics, H. Portrait of Grandfather Thompson (Box 62) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/433dz08ks8-cor.
Chicago
Henrics, H. “Portrait of Grandfather Thompson.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 62. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/433dz08ks8-cor.