MLA
Foster, R. M. Portrait of Rev. J. Gomer. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 62. https://digital.library.emory.edu/purl/0687h44j33-cor.
APA, 6th edition
Foster, R. M. Portrait of Rev. J. Gomer (Box 62) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0687h44j33-cor.
Chicago
Foster, R. M. “Portrait of Rev. J. Gomer.” 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/0687h44j33-cor.