MLA
Maxwell. Portrait of Three Women and One Man. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 49. https://digital.library.emory.edu/purl/24947d7wr8-cor.
APA, 6th edition
M. Portrait of three women and one man (Box 49) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24947d7wr8-cor.
Chicago
Maxwell. “Portrait of Three Women and One Man.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 49. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24947d7wr8-cor.