MLA
Two African American Men, on Sitting, in Matching Suits and Bowler Hats. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 65. https://digital.library.emory.edu/purl/798mcvdngk-cor.
APA, 6th edition
Two African American men, on sitting, in matching suits and bowler hats (Box 65). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/798mcvdngk-cor.
Chicago
“Two African American Men, on Sitting, in Matching Suits and Bowler Hats.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 65. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/798mcvdngk-cor.