MLA
A Young Girl in a Pink Dress and a Little Boy in a Yellow Shirt and Overalls Standing in Front of a Wood Fence. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 48. https://digital.library.emory.edu/purl/9010p2ngm5-cor.
APA, 6th edition
A young girl in a pink dress and a little boy in a yellow shirt and overalls standing in front of a wood fence (Box 48). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9010p2ngm5-cor.
Chicago
“A Young Girl in a Pink Dress and a Little Boy in a Yellow Shirt and Overalls Standing in Front of a Wood Fence.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 48. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9010p2ngm5-cor.