MLA
Family of Three with the Child on a Toy Horse. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 11. https://digital.library.emory.edu/purl/85370rxwms-cor.
APA, 6th edition
Family of three with the child on a toy horse (Box 11). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/85370rxwms-cor.
Chicago
“Family of Three with the Child on a Toy Horse.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 11. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/85370rxwms-cor.