MLA
Portraits of Two African American Jockeys. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 38. https://digital.library.emory.edu/purl/6386hdr7z8-cor.
APA, 6th edition
Portraits of two African American jockeys (Box 38). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr7z8-cor.
Chicago
“Portraits of Two African American Jockeys.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 38. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr7z8-cor.