MLA
A Large Group of People Outside Watching Three African Americans on a Bench. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 73. https://digital.library.emory.edu/purl/3483j9kd6t-cor.
APA, 6th edition
A large group of people outside watching three African Americans on a bench (Box 73). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3483j9kd6t-cor.
Chicago
“A Large Group of People Outside Watching Three African Americans on a Bench.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 73. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3483j9kd6t-cor.