MLA
Oval Portrait of Otis W. Sanders. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 16. https://digital.library.emory.edu/purl/334fn2z3g7-cor.
APA, 6th edition
Oval portrait of Otis W. Sanders (Box 16). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/334fn2z3g7-cor.
Chicago
“Oval Portrait of Otis W. Sanders.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 16. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/334fn2z3g7-cor.