MLA
Portrait of Louis Metcalf. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 25. https://digital.library.emory.edu/purl/767wm37q0q-cor.
APA, 6th edition
Portrait of Louis Metcalf (Box 25). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/767wm37q0q-cor.
Chicago
“Portrait of Louis Metcalf.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 25. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/767wm37q0q-cor.