MLA
A Group of Men, Women and Children Standing Outside a Brick Building, with Many Sitting on the Steps Leading to the Entrace, and One Man Sitting on a Bicycle. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 48. https://digital.library.emory.edu/purl/9117m0cg3z-cor.
APA, 6th edition
A group of men, women and children standing outside a brick building, with many sitting on the steps leading to the entrace, and one man sitting on a bicycle (Box 48). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9117m0cg3z-cor.
Chicago
“A Group of Men, Women and Children Standing Outside a Brick Building, with Many Sitting on the Steps Leading to the Entrace, and One Man Sitting on a Bicycle.” 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/9117m0cg3z-cor.